89958971 has 2 divisors, whose sum is σ = 89958972. Its totient is φ = 89958970.

The previous prime is 89958941. The next prime is 89958989. The reversal of 89958971 is 17985998.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89958971 - 2⁶ = 89958907 is a prime.

It is not a weakly prime, because it can be changed into another prime (89958941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44979485 + 44979486.

It is an arithmetic number, because the mean of its divisors is an integer number (44979486).

Almost surely, 2^89958971 is an apocalyptic number.

89958971 is a deficient number, since it is larger than the sum of its proper divisors (1).

89958971 is an equidigital number, since it uses as much as digits as its factorization.

89958971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 56.

The square root of 89958971 is about 9484.6703158307. The cubic root of 89958971 is about 448.0723652102.

The spelling of 89958971 in words is "eighty-nine million, nine hundred fifty-eight thousand, nine hundred seventy-one".