89392157 has 2 divisors, whose sum is σ = 89392158. Its totient is φ = 89392156.

The previous prime is 89392133. The next prime is 89392159. The reversal of 89392157 is 75129398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89321401 + 70756 = 9451^2 + 266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89392157 is a prime.

It is a super-2 number, since 2×89392157² = 15981915466225298, which contains 22 as substring.

Together with 89392159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89392159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44696078 + 44696079.

It is an arithmetic number, because the mean of its divisors is an integer number (44696079).

Almost surely, 2^89392157 is an apocalyptic number.

It is an amenable number.

89392157 is a deficient number, since it is larger than the sum of its proper divisors (1).

89392157 is an equidigital number, since it uses as much as digits as its factorization.

89392157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 44.

The square root of 89392157 is about 9454.7425665641. The cubic root of 89392157 is about 447.1293094490.

The spelling of 89392157 in words is "eighty-nine million, three hundred ninety-two thousand, one hundred fifty-seven".