89956157 has 2 divisors, whose sum is σ = 89956158. Its totient is φ = 89956156.

The previous prime is 89956123. The next prime is 89956169. The reversal of 89956157 is 75165998.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72097081 + 17859076 = 8491^2 + 4226^2 .

It is a cyclic number.

It is not a de Polignac number, because 89956157 - 2⁶ = 89956093 is a prime.

It is a super-2 number, since 2×89956157² = 16184220364417298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89956117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44978078 + 44978079.

It is an arithmetic number, because the mean of its divisors is an integer number (44978079).

Almost surely, 2^89956157 is an apocalyptic number.

It is an amenable number.

89956157 is a deficient number, since it is larger than the sum of its proper divisors (1).

89956157 is an equidigital number, since it uses as much as digits as its factorization.

89956157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 50.

The square root of 89956157 is about 9484.5219700310. The cubic root of 89956157 is about 448.0676931219.

The spelling of 89956157 in words is "eighty-nine million, nine hundred fifty-six thousand, one hundred fifty-seven".