86587484631 has 4 divisors (see below), whose sum is σ = 115449979512. Its totient is φ = 57724989752.

The previous prime is 86587484623. The next prime is 86587484647. The reversal of 86587484631 is 13648478568.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86587484631 - 2³ = 86587484623 is a prime.

It is a super-2 number, since 2×86587484631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86587484651) 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, 14431247436 + ... + 14431247441.

It is an arithmetic number, because the mean of its divisors is an integer number (28862494878).

Almost surely, 2^86587484631 is an apocalyptic number.

86587484631 is a deficient number, since it is larger than the sum of its proper divisors (28862494881).

86587484631 is a wasteful number, since it uses less digits than its factorization.

86587484631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28862494880.

The product of its digits is 30965760, while the sum is 60.

The spelling of 86587484631 in words is "eighty-six billion, five hundred eighty-seven million, four hundred eighty-four thousand, six hundred thirty-one".