86989087800 has 144 divisors (see below), whose sum is σ = 292222747440. Its totient is φ = 23190389760.

The previous prime is 86989087789. The next prime is 86989087831. The reversal of 86989087800 is 878098968.

It is a super-2 number, since 2×86989087800² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11431597 + ... + 11439203.

It is an arithmetic number, because the mean of its divisors is an integer number (2029324635).

Almost surely, 2^86989087800 is an apocalyptic number.

It is an amenable number.

86989087800 is an abundant number, since it is smaller than the sum of its proper divisors (205233659640).

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

86989087800 is a wasteful number, since it uses less digits than its factorization.

86989087800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13982 (or 13970 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 63.

The spelling of 86989087800 in words is "eighty-six billion, nine hundred eighty-nine million, eighty-seven thousand, eight hundred".