90575584739 has 2 divisors, whose sum is σ = 90575584740. Its totient is φ = 90575584738.

The previous prime is 90575584717. The next prime is 90575584751. The reversal of 90575584739 is 93748557509.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90575584739 - 2⁸ = 90575584483 is a prime.

It is not a weakly prime, because it can be changed into another prime (90575584789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45287792369 + 45287792370.

It is an arithmetic number, because the mean of its divisors is an integer number (45287792370).

Almost surely, 2^90575584739 is an apocalyptic number.

90575584739 is a deficient number, since it is larger than the sum of its proper divisors (1).

90575584739 is an equidigital number, since it uses as much as digits as its factorization.

90575584739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628000, while the sum is 62.

The spelling of 90575584739 in words is "ninety billion, five hundred seventy-five million, five hundred eighty-four thousand, seven hundred thirty-nine".