86117985510 has 64 divisors (see below), whose sum is σ = 207334378944. Its totient is φ = 22892544000.

The previous prime is 86117985509. The next prime is 86117985517. The reversal of 86117985510 is 1558971168.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86117985517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17935110 + ... + 17939910.

It is an arithmetic number, because the mean of its divisors is an integer number (3239599671).

Almost surely, 2^86117985510 is an apocalyptic number.

86117985510 is an abundant number, since it is smaller than the sum of its proper divisors (121216393434).

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

86117985510 is a wasteful number, since it uses less digits than its factorization.

86117985510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569.

The product of its (nonzero) digits is 604800, while the sum is 51.

The spelling of 86117985510 in words is "eighty-six billion, one hundred seventeen million, nine hundred eighty-five thousand, five hundred ten".