86253855388637 has 4 divisors (see below), whose sum is σ = 86735720502720. Its totient is φ = 85771990274556.

The previous prime is 86253855388577. The next prime is 86253855388667. The reversal of 86253855388637 is 73688355835268.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86253855388637 - 2²² = 86253851194333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86253855388667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240932556773 + ... + 240932557130.

It is an arithmetic number, because the mean of its divisors is an integer number (21683930125680).

Almost surely, 2^{86253855388637} is an apocalyptic number.

It is an amenable number.

86253855388637 is a deficient number, since it is larger than the sum of its proper divisors (481865114083).

86253855388637 is a wasteful number, since it uses less digits than its factorization.

86253855388637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481865114082.

The product of its digits is 6967296000, while the sum is 77.

The spelling of 86253855388637 in words is "eighty-six trillion, two hundred fifty-three billion, eight hundred fifty-five million, three hundred eighty-eight thousand, six hundred thirty-seven".