89956957 has 2 divisors, whose sum is σ = 89956958. Its totient is φ = 89956956.

The previous prime is 89956949. The next prime is 89956961. The reversal of 89956957 is 75965998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58079641 + 31877316 = 7621^2 + 5646^2 .

It is a cyclic number.

It is not a de Polignac number, because 89956957 - 2³ = 89956949 is a prime.

It is a super-2 number, since 2×89956957² = 16184508225399698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89956157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44978478 + 44978479.

It is an arithmetic number, because the mean of its divisors is an integer number (44978479).

Almost surely, 2^89956957 is an apocalyptic number.

It is an amenable number.

89956957 is a deficient number, since it is larger than the sum of its proper divisors (1).

89956957 is an equidigital number, since it uses as much as digits as its factorization.

89956957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6123600, while the sum is 58.

The square root of 89956957 is about 9484.5641439130. The cubic root of 89956957 is about 448.0690213730.

The spelling of 89956957 in words is "eighty-nine million, nine hundred fifty-six thousand, nine hundred fifty-seven".