9773476164 has 18 divisors (see below), whose sum is σ = 24705175950. Its totient is φ = 3257825376.

The previous prime is 9773476159. The next prime is 9773476169. The reversal of 9773476164 is 4616743779.

9773476164 is a `hidden beast` number, since 9 + 7 + 7 + 3 + 476 + 164 = 666.

It is an interprime number because it is at equal distance from previous prime (9773476159) and next prime (9773476169).

It can be written as a sum of positive squares in only one way, i.e., 6267888900 + 3505587264 = 79170^2 + 59208^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 9773476164.

It is not an unprimeable number, because it can be changed into a prime (9773476169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135742689 + ... + 135742760.

It is an arithmetic number, because the mean of its divisors is an integer number (1372509775).

Almost surely, 2^9773476164 is an apocalyptic number.

It is an amenable number.

9773476164 is an abundant number, since it is smaller than the sum of its proper divisors (14931699786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9773476164 is a wasteful number, since it uses less digits than its factorization.

9773476164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271485459 (or 271485454 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The square root of 9773476164 is about 98860.8929961691. The cubic root of 9773476164 is about 2138.0425927763.

The spelling of 9773476164 in words is "nine billion, seven hundred seventy-three million, four hundred seventy-six thousand, one hundred sixty-four".