90365677 has 2 divisors, whose sum is σ = 90365678. Its totient is φ = 90365676.

The previous prime is 90365641. The next prime is 90365683. The reversal of 90365677 is 77656309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51065316 + 39300361 = 7146^2 + 6269^2 .

It is a cyclic number.

It is not a de Polignac number, because 90365677 - 2¹⁵ = 90332909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90365617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45182838 + 45182839.

It is an arithmetic number, because the mean of its divisors is an integer number (45182839).

Almost surely, 2^90365677 is an apocalyptic number.

It is an amenable number.

90365677 is a deficient number, since it is larger than the sum of its proper divisors (1).

90365677 is an equidigital number, since it uses as much as digits as its factorization.

90365677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 90365677 is about 9506.0863135151. The cubic root of 90365677 is about 448.7465976884.

The spelling of 90365677 in words is "ninety million, three hundred sixty-five thousand, six hundred seventy-seven".