89901937 has 2 divisors, whose sum is σ = 89901938. Its totient is φ = 89901936.

The previous prime is 89901919. The next prime is 89901947. The reversal of 89901937 is 73910998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68409441 + 21492496 = 8271^2 + 4636^2 .

It is a cyclic number.

It is not a de Polignac number, because 89901937 - 2⁷ = 89901809 is a prime.

It is not a weakly prime, because it can be changed into another prime (89901907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44950968 + 44950969.

It is an arithmetic number, because the mean of its divisors is an integer number (44950969).

Almost surely, 2^89901937 is an apocalyptic number.

It is an amenable number.

89901937 is a deficient number, since it is larger than the sum of its proper divisors (1).

89901937 is an equidigital number, since it uses as much as digits as its factorization.

89901937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 89901937 is about 9481.6631979838. The cubic root of 89901937 is about 447.9776525444.

The spelling of 89901937 in words is "eighty-nine million, nine hundred one thousand, nine hundred thirty-seven".