85677846648 has 32 divisors (see below), whose sum is σ = 214254052560. Its totient is φ = 28551357440.

The previous prime is 85677846637. The next prime is 85677846671. The reversal of 85677846648 is 84664877658.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406683 + ... + 580298.

Almost surely, 2^85677846648 is an apocalyptic number.

It is an amenable number.

85677846648 is an abundant number, since it is smaller than the sum of its proper divisors (128576205912).

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

85677846648 is a wasteful number, since it uses less digits than its factorization.

85677846648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990607 (or 990603 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 69.

The spelling of 85677846648 in words is "eighty-five billion, six hundred seventy-seven million, eight hundred forty-six thousand, six hundred forty-eight".