90313079 has 4 divisors (see below), whose sum is σ = 90377280. Its totient is φ = 90248880.

The previous prime is 90313073. The next prime is 90313087. The reversal of 90313079 is 97031309.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90313079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90313073) 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 in 3 ways as a sum of consecutive naturals, for example, 29942 + ... + 32819.

It is an arithmetic number, because the mean of its divisors is an integer number (22594320).

Almost surely, 2^90313079 is an apocalyptic number.

90313079 is a deficient number, since it is larger than the sum of its proper divisors (64201).

90313079 is a wasteful number, since it uses less digits than its factorization.

90313079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64200.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 90313079 is about 9503.3193674631. The cubic root of 90313079 is about 448.6595153828.

The spelling of 90313079 in words is "ninety million, three hundred thirteen thousand, seventy-nine".