89351957 has 2 divisors, whose sum is σ = 89351958. Its totient is φ = 89351956.

The previous prime is 89351953. The next prime is 89351981. The reversal of 89351957 is 75915398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45778756 + 43573201 = 6766^2 + 6601^2 .

It is a cyclic number.

It is not a de Polignac number, because 89351957 - 2² = 89351953 is a 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 (89351953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44675978 + 44675979.

It is an arithmetic number, because the mean of its divisors is an integer number (44675979).

Almost surely, 2^89351957 is an apocalyptic number.

It is an amenable number.

89351957 is a deficient number, since it is larger than the sum of its proper divisors (1).

89351957 is an equidigital number, since it uses as much as digits as its factorization.

89351957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 47.

The square root of 89351957 is about 9452.6164102856. The cubic root of 89351957 is about 447.0622741372.

The spelling of 89351957 in words is "eighty-nine million, three hundred fifty-one thousand, nine hundred fifty-seven".