88279531 has 2 divisors, whose sum is σ = 88279532. Its totient is φ = 88279530.

The previous prime is 88279523. The next prime is 88279561. The reversal of 88279531 is 13597288.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88279531 - 2³ = 88279523 is a prime.

It is a super-2 number, since 2×88279531² = 15586551187159922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88279501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44139765 + 44139766.

It is an arithmetic number, because the mean of its divisors is an integer number (44139766).

Almost surely, 2^88279531 is an apocalyptic number.

88279531 is a deficient number, since it is larger than the sum of its proper divisors (1).

88279531 is an equidigital number, since it uses as much as digits as its factorization.

88279531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 43.

The square root of 88279531 is about 9395.7187590945. The cubic root of 88279531 is about 445.2664834880.

The spelling of 88279531 in words is "eighty-eight million, two hundred seventy-nine thousand, five hundred thirty-one".