89656157 has 2 divisors, whose sum is σ = 89656158. Its totient is φ = 89656156.

The previous prime is 89656111. The next prime is 89656163. The reversal of 89656157 is 75165698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84842521 + 4813636 = 9211^2 + 2194^2 .

It is a cyclic number.

It is not a de Polignac number, because 89656157 - 2¹⁴ = 89639773 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 (89658157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44828078 + 44828079.

It is an arithmetic number, because the mean of its divisors is an integer number (44828079).

Almost surely, 2^89656157 is an apocalyptic number.

It is an amenable number.

89656157 is a deficient number, since it is larger than the sum of its proper divisors (1).

89656157 is an equidigital number, since it uses as much as digits as its factorization.

89656157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 47.

The square root of 89656157 is about 9468.6935212837. The cubic root of 89656157 is about 447.5690427475.

The spelling of 89656157 in words is "eighty-nine million, six hundred fifty-six thousand, one hundred fifty-seven".