9777650160 has 40 divisors (see below), whose sum is σ = 30310716240. Its totient is φ = 2607373312.

The previous prime is 9777650143. The next prime is 9777650161. The reversal of 9777650160 is 610567779.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9777650161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20369865 + ... + 20370344.

It is an arithmetic number, because the mean of its divisors is an integer number (757767906).

Almost surely, 2^9777650160 is an apocalyptic number.

It is an amenable number.

9777650160 is an abundant number, since it is smaller than the sum of its proper divisors (20533066080).

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

9777650160 is a wasteful number, since it uses less digits than its factorization.

9777650160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40740225 (or 40740219 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 48.

The square root of 9777650160 is about 98882.0011933416. The cubic root of 9777650160 is about 2138.3469168112.

The spelling of 9777650160 in words is "nine billion, seven hundred seventy-seven million, six hundred fifty thousand, one hundred sixty".