88724231 has 2 divisors, whose sum is σ = 88724232. Its totient is φ = 88724230.

The previous prime is 88724221. The next prime is 88724239. The reversal of 88724231 is 13242788.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88724231 - 2²² = 84529927 is a prime.

It is a super-2 number, since 2×88724231² = 15743978333082722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 88724191 and 88724200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88724239) 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, 44362115 + 44362116.

It is an arithmetic number, because the mean of its divisors is an integer number (44362116).

Almost surely, 2^88724231 is an apocalyptic number.

88724231 is a deficient number, since it is larger than the sum of its proper divisors (1).

88724231 is an equidigital number, since it uses as much as digits as its factorization.

88724231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 35.

The square root of 88724231 is about 9419.3540649028. The cubic root of 88724231 is about 446.0128945175.

The spelling of 88724231 in words is "eighty-eight million, seven hundred twenty-four thousand, two hundred thirty-one".