86608563236440 has 64 divisors (see below), whose sum is σ = 222709343765760. Its totient is φ = 29694149907840.

The previous prime is 86608563236401. The next prime is 86608563236479. The reversal of 86608563236440 is 4463236580668.

It is an interprime number because it is at equal distance from previous prime (86608563236401) and next prime (86608563236479).

It is a congruent number.

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, 40444099 + ... + 42531661.

It is an arithmetic number, because the mean of its divisors is an integer number (3479833496340).

Almost surely, 2^{86608563236440} is an apocalyptic number.

It is an amenable number.

86608563236440 is an abundant number, since it is smaller than the sum of its proper divisors (136100780529320).

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

86608563236440 is a wasteful number, since it uses less digits than its factorization.

86608563236440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235752 (or 2235748 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 61.

The spelling of 86608563236440 in words is "eighty-six trillion, six hundred eight billion, five hundred sixty-three million, two hundred thirty-six thousand, four hundred forty".