89375857 has 2 divisors, whose sum is σ = 89375858. Its totient is φ = 89375856.

The previous prime is 89375837. The next prime is 89375879. The reversal of 89375857 is 75857398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87778161 + 1597696 = 9369^2 + 1264^2 .

It is a cyclic number.

It is not a de Polignac number, because 89375857 - 2⁷ = 89375729 is a prime.

It is not a weakly prime, because it can be changed into another prime (89375837) 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, 44687928 + 44687929.

It is an arithmetic number, because the mean of its divisors is an integer number (44687929).

Almost surely, 2^89375857 is an apocalyptic number.

It is an amenable number.

89375857 is a deficient number, since it is larger than the sum of its proper divisors (1).

89375857 is an equidigital number, since it uses as much as digits as its factorization.

89375857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 52.

The square root of 89375857 is about 9453.8805260062. The cubic root of 89375857 is about 447.1021308872.

The spelling of 89375857 in words is "eighty-nine million, three hundred seventy-five thousand, eight hundred fifty-seven".