90479713 has 2 divisors, whose sum is σ = 90479714. Its totient is φ = 90479712.

The previous prime is 90479707. The next prime is 90479717. The reversal of 90479713 is 31797409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82955664 + 7524049 = 9108^2 + 2743^2 .

It is a cyclic number.

It is not a de Polignac number, because 90479713 - 2⁹ = 90479201 is a prime.

It is not a weakly prime, because it can be changed into another prime (90479717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45239856 + 45239857.

It is an arithmetic number, because the mean of its divisors is an integer number (45239857).

Almost surely, 2^90479713 is an apocalyptic number.

It is an amenable number.

90479713 is a deficient number, since it is larger than the sum of its proper divisors (1).

90479713 is an equidigital number, since it uses as much as digits as its factorization.

90479713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 90479713 is about 9512.0824744112. The cubic root of 90479713 is about 448.9352819984.

The spelling of 90479713 in words is "ninety million, four hundred seventy-nine thousand, seven hundred thirteen".