89508577 has 2 divisors, whose sum is σ = 89508578. Its totient is φ = 89508576.

The previous prime is 89508557. The next prime is 89508589. The reversal of 89508577 is 77580598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70157376 + 19351201 = 8376^2 + 4399^2 .

It is a cyclic number.

It is not a de Polignac number, because 89508577 - 2¹⁵ = 89475809 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89508577.

It is not a weakly prime, because it can be changed into another prime (89508527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44754288 + 44754289.

It is an arithmetic number, because the mean of its divisors is an integer number (44754289).

Almost surely, 2^89508577 is an apocalyptic number.

It is an amenable number.

89508577 is a deficient number, since it is larger than the sum of its proper divisors (1).

89508577 is an equidigital number, since it uses as much as digits as its factorization.

89508577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 49.

The square root of 89508577 is about 9460.8972618880. The cubic root of 89508577 is about 447.3233317376.

The spelling of 89508577 in words is "eighty-nine million, five hundred eight thousand, five hundred seventy-seven".