86557251464140 has 24 divisors (see below), whose sum is σ = 182928000234672. Its totient is φ = 34402372555200.

The previous prime is 86557251464137. The next prime is 86557251464141. The reversal of 86557251464140 is 4146415275568.

It is not an unprimeable number, because it can be changed into a prime (86557251464141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13782998686 + ... + 13783004965.

It is an arithmetic number, because the mean of its divisors is an integer number (7622000009778).

Almost surely, 2^{86557251464140} is an apocalyptic number.

It is an amenable number.

86557251464140 is an abundant number, since it is smaller than the sum of its proper divisors (96370748770532).

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

86557251464140 is a wasteful number, since it uses less digits than its factorization.

86557251464140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27566003817 (or 27566003815 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 58.

The spelling of 86557251464140 in words is "eighty-six trillion, five hundred fifty-seven billion, two hundred fifty-one million, four hundred sixty-four thousand, one hundred forty".