85676867658 has 12 divisors (see below), whose sum is σ = 185633213298. Its totient is φ = 28558955880.

The previous prime is 85676867621. The next prime is 85676867687.

85676867658 is a `hidden beast` number, since 8 + 567 + 6 + 8 + 6 + 7 + 6 + 58 = 666.

85676867658 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 84644337969 + 1032529689 = 290937^2 + 32133^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2379912973 + ... + 2379913008.

Almost surely, 2^85676867658 is an apocalyptic number.

85676867658 is an abundant number, since it is smaller than the sum of its proper divisors (99956345640).

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

85676867658 is a wasteful number, since it uses less digits than its factorization.

85676867658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4759825989 (or 4759825986 counting only the distinct ones).

The product of its digits is 812851200, while the sum is 72.

The spelling of 85676867658 in words is "eighty-five billion, six hundred seventy-six million, eight hundred sixty-seven thousand, six hundred fifty-eight".