89948657 has 2 divisors, whose sum is σ = 89948658. Its totient is φ = 89948656.

The previous prime is 89948609. The next prime is 89948669. The reversal of 89948657 is 75684998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89946256 + 2401 = 9484^2 + 49^2 .

It is a cyclic number.

It is not a de Polignac number, because 89948657 - 2¹⁰ = 89947633 is a prime.

It is a super-2 number, since 2×89948657² = 16181521792207298, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89948557) 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, 44974328 + 44974329.

It is an arithmetic number, because the mean of its divisors is an integer number (44974329).

Almost surely, 2^89948657 is an apocalyptic number.

It is an amenable number.

89948657 is a deficient number, since it is larger than the sum of its proper divisors (1).

89948657 is an equidigital number, since it uses as much as digits as its factorization.

89948657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 56.

The square root of 89948657 is about 9484.1265807664. The cubic root of 89948657 is about 448.0552403849.

The spelling of 89948657 in words is "eighty-nine million, nine hundred forty-eight thousand, six hundred fifty-seven".