88632431 has 2 divisors, whose sum is σ = 88632432. Its totient is φ = 88632430.

The previous prime is 88632421. The next prime is 88632443. The reversal of 88632431 is 13423688.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88632431 is a prime.

It is a super-2 number, since 2×88632431² = 15711415649939522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88632391 and 88632400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88632421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44316215 + 44316216.

It is an arithmetic number, because the mean of its divisors is an integer number (44316216).

Almost surely, 2^88632431 is an apocalyptic number.

88632431 is a deficient number, since it is larger than the sum of its proper divisors (1).

88632431 is an equidigital number, since it uses as much as digits as its factorization.

88632431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 88632431 is about 9414.4798581759. The cubic root of 88632431 is about 445.8590165501.

The spelling of 88632431 in words is "eighty-eight million, six hundred thirty-two thousand, four hundred thirty-one".