88892591 has 2 divisors, whose sum is σ = 88892592. Its totient is φ = 88892590.

The previous prime is 88892581. The next prime is 88892599. The reversal of 88892591 is 19529888.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88892591 - 2¹⁸ = 88630447 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88892599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44446295 + 44446296.

It is an arithmetic number, because the mean of its divisors is an integer number (44446296).

Almost surely, 2^88892591 is an apocalyptic number.

88892591 is a deficient number, since it is larger than the sum of its proper divisors (1).

88892591 is an equidigital number, since it uses as much as digits as its factorization.

88892591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 50.

The square root of 88892591 is about 9428.2867478668. The cubic root of 88892591 is about 446.2948290900.

The spelling of 88892591 in words is "eighty-eight million, eight hundred ninety-two thousand, five hundred ninety-one".