90300225577 has 2 divisors, whose sum is σ = 90300225578. Its totient is φ = 90300225576.

The previous prime is 90300225571. The next prime is 90300225611. The reversal of 90300225577 is 77552200309.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64513968016 + 25786257561 = 253996^2 + 160581^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90300225577 is a prime.

It is not a weakly prime, because it can be changed into another prime (90300225571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45150112788 + 45150112789.

It is an arithmetic number, because the mean of its divisors is an integer number (45150112789).

Almost surely, 2^90300225577 is an apocalyptic number.

It is an amenable number.

90300225577 is a deficient number, since it is larger than the sum of its proper divisors (1).

90300225577 is an equidigital number, since it uses as much as digits as its factorization.

90300225577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 40.

The spelling of 90300225577 in words is "ninety billion, three hundred million, two hundred twenty-five thousand, five hundred seventy-seven".