86821512700 has 72 divisors (see below), whose sum is σ = 213573951920. Its totient is φ = 30369945600.

The previous prime is 86821512689. The next prime is 86821512733. The reversal of 86821512700 is 721512868.

It is a super-2 number, since 2×86821512700² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1732821 + ... + 1782220.

Almost surely, 2^86821512700 is an apocalyptic number.

It is an amenable number.

86821512700 is an abundant number, since it is smaller than the sum of its proper divisors (126752439220).

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

86821512700 is a wasteful number, since it uses less digits than its factorization.

86821512700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515087 (or 3515080 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 86821512700 in words is "eighty-six billion, eight hundred twenty-one million, five hundred twelve thousand, seven hundred".