85691633800 has 48 divisors (see below), whose sum is σ = 199873814400. Its totient is φ = 34166414400.

The previous prime is 85691633777. The next prime is 85691633813. The reversal of 85691633800 is 833619658.

It is a super-2 number, since 2×85691633800² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 626640 + ... + 751039.

It is an arithmetic number, because the mean of its divisors is an integer number (4164037800).

Almost surely, 2^85691633800 is an apocalyptic number.

It is an amenable number.

85691633800 is an abundant number, since it is smaller than the sum of its proper divisors (114182180600).

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

85691633800 is a wasteful number, since it uses less digits than its factorization.

85691633800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378006 (or 1377997 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 85691633800 in words is "eighty-five billion, six hundred ninety-one million, six hundred thirty-three thousand, eight hundred".