88421708931 has 4 divisors (see below), whose sum is σ = 117895611912. Its totient is φ = 58947805952.

The previous prime is 88421708923. The next prime is 88421708939. The reversal of 88421708931 is 13980712488.

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

It is an interprime number because it is at equal distance from previous prime (88421708923) and next prime (88421708939).

It is a cyclic number.

It is not a de Polignac number, because 88421708931 - 2³ = 88421708923 is a prime.

It is a super-2 number, since 2×88421708931² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88421708939) 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, 14736951486 + ... + 14736951491.

It is an arithmetic number, because the mean of its divisors is an integer number (29473902978).

Almost surely, 2^88421708931 is an apocalyptic number.

88421708931 is a deficient number, since it is larger than the sum of its proper divisors (29473902981).

88421708931 is a wasteful number, since it uses less digits than its factorization.

88421708931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29473902980.

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 88421708931 in words is "eighty-eight billion, four hundred twenty-one million, seven hundred eight thousand, nine hundred thirty-one".