90324877 has 2 divisors, whose sum is σ = 90324878. Its totient is φ = 90324876.

The previous prime is 90324863. The next prime is 90324901. The reversal of 90324877 is 77842309.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58277956 + 32046921 = 7634^2 + 5661^2 .

It is a cyclic number.

It is not a de Polignac number, because 90324877 - 2¹¹ = 90322829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90324847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45162438 + 45162439.

It is an arithmetic number, because the mean of its divisors is an integer number (45162439).

Almost surely, 2^90324877 is an apocalyptic number.

It is an amenable number.

90324877 is a deficient number, since it is larger than the sum of its proper divisors (1).

90324877 is an equidigital number, since it uses as much as digits as its factorization.

90324877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 90324877 is about 9503.9400776730. The cubic root of 90324877 is about 448.6790513295.

The spelling of 90324877 in words is "ninety million, three hundred twenty-four thousand, eight hundred seventy-seven".