89562631 has 2 divisors, whose sum is σ = 89562632. Its totient is φ = 89562630.

The previous prime is 89562617. The next prime is 89562677. The reversal of 89562631 is 13626598.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89562631 - 2¹⁹ = 89038343 is a prime.

It is a super-2 number, since 2×89562631² = 16042929743284322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89562611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44781315 + 44781316.

It is an arithmetic number, because the mean of its divisors is an integer number (44781316).

Almost surely, 2^89562631 is an apocalyptic number.

89562631 is a deficient number, since it is larger than the sum of its proper divisors (1).

89562631 is an equidigital number, since it uses as much as digits as its factorization.

89562631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 89562631 is about 9463.7535365203. The cubic root of 89562631 is about 447.4133594217.

The spelling of 89562631 in words is "eighty-nine million, five hundred sixty-two thousand, six hundred thirty-one".