85699100628 has 72 divisors (see below), whose sum is σ = 224703880128. Its totient is φ = 28559713536.

The previous prime is 85699100623. The next prime is 85699100657. The reversal of 85699100628 is 82600199658.

It is a happy number.

85699100628 is a `hidden beast` number, since 8 + 5 + 6 + 9 + 9 + 1 + 0 + 0 + 628 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85699100623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5934625 + ... + 5949047.

It is an arithmetic number, because the mean of its divisors is an integer number (3120887224).

Almost surely, 2^85699100628 is an apocalyptic number.

It is an amenable number.

85699100628 is an abundant number, since it is smaller than the sum of its proper divisors (139004779500).

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

85699100628 is a wasteful number, since it uses less digits than its factorization.

85699100628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20555 (or 20541 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 85699100628 in words is "eighty-five billion, six hundred ninety-nine million, one hundred thousand, six hundred twenty-eight".