866980865034 has 24 divisors (see below), whose sum is σ = 1892169922500. Its totient is φ = 286884178368.

The previous prime is 866980865033. The next prime is 866980865099. The reversal of 866980865034 is 430568089668.

It can be written as a sum of positive squares in 2 ways, for example, as 841628264409 + 25352600625 = 917403^2 + 159225^2 .

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (866980865033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175784409 + ... + 175789340.

Almost surely, 2^866980865034 is an apocalyptic number.

866980865034 is an abundant number, since it is smaller than the sum of its proper divisors (1025189057466).

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

866980865034 is a wasteful number, since it uses less digits than its factorization.

866980865034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351573894 (or 351573891 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 866980865034 in words is "eight hundred sixty-six billion, nine hundred eighty million, eight hundred sixty-five thousand, thirty-four".