89961359 has 2 divisors, whose sum is σ = 89961360. Its totient is φ = 89961358.

The previous prime is 89961341. The next prime is 89961367. The reversal of 89961359 is 95316998.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89961359 - 2¹⁶ = 89895823 is a prime.

It is a super-2 number, since 2×89961359² = 16186092226253762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89961559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44980679 + 44980680.

It is an arithmetic number, because the mean of its divisors is an integer number (44980680).

Almost surely, 2^89961359 is an apocalyptic number.

89961359 is a deficient number, since it is larger than the sum of its proper divisors (1).

89961359 is an equidigital number, since it uses as much as digits as its factorization.

89961359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 50.

The square root of 89961359 is about 9484.7962023440. The cubic root of 89961359 is about 448.0763299337.

The spelling of 89961359 in words is "eighty-nine million, nine hundred sixty-one thousand, three hundred fifty-nine".