90875713 has 2 divisors, whose sum is σ = 90875714. Its totient is φ = 90875712.

The previous prime is 90875683. The next prime is 90875717. The reversal of 90875713 is 31757809.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85599504 + 5276209 = 9252^2 + 2297^2 .

It is a cyclic number.

It is not a de Polignac number, because 90875713 - 2²¹ = 88778561 is a prime.

It is not a weakly prime, because it can be changed into another prime (90875717) 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, 45437856 + 45437857.

It is an arithmetic number, because the mean of its divisors is an integer number (45437857).

Almost surely, 2^90875713 is an apocalyptic number.

It is an amenable number.

90875713 is a deficient number, since it is larger than the sum of its proper divisors (1).

90875713 is an equidigital number, since it uses as much as digits as its factorization.

90875713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 90875713 is about 9532.8753794435. The cubic root of 90875713 is about 449.5892762673.

The spelling of 90875713 in words is "ninety million, eight hundred seventy-five thousand, seven hundred thirteen".