90622304579 has 2 divisors, whose sum is σ = 90622304580. Its totient is φ = 90622304578.

The previous prime is 90622304569. The next prime is 90622304657. The reversal of 90622304579 is 97540322609.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90622304579 - 2⁸ = 90622304323 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (90622304569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45311152289 + 45311152290.

It is an arithmetic number, because the mean of its divisors is an integer number (45311152290).

Almost surely, 2^90622304579 is an apocalyptic number.

90622304579 is a deficient number, since it is larger than the sum of its proper divisors (1).

90622304579 is an equidigital number, since it uses as much as digits as its factorization.

90622304579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 90622304579 in words is "ninety billion, six hundred twenty-two million, three hundred four thousand, five hundred seventy-nine".