86624208840 has 64 divisors (see below), whose sum is σ = 279862833600. Its totient is φ = 21322881792.

The previous prime is 86624208793. The next prime is 86624208851. The reversal of 86624208840 is 4880242668.

It is a self number, because there is not a number n which added to its sum of digits gives 86624208840.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27762610 + ... + 27765729.

It is an arithmetic number, because the mean of its divisors is an integer number (4372856775).

Almost surely, 2^86624208840 is an apocalyptic number.

It is an amenable number.

86624208840 is an abundant number, since it is smaller than the sum of its proper divisors (193238624760).

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

86624208840 is a wasteful number, since it uses less digits than its factorization.

86624208840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55528366 (or 55528362 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The spelling of 86624208840 in words is "eighty-six billion, six hundred twenty-four million, two hundred eight thousand, eight hundred forty".