90366884837 has 2 divisors, whose sum is σ = 90366884838. Its totient is φ = 90366884836.

The previous prime is 90366884821. The next prime is 90366884849. The reversal of 90366884837 is 73848866309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82452825316 + 7914059521 = 287146^2 + 88961^2 .

It is a cyclic number.

It is not a de Polignac number, because 90366884837 - 2⁴ = 90366884821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90366884837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90366881837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45183442418 + 45183442419.

It is an arithmetic number, because the mean of its divisors is an integer number (45183442419).

Almost surely, 2^90366884837 is an apocalyptic number.

It is an amenable number.

90366884837 is a deficient number, since it is larger than the sum of its proper divisors (1).

90366884837 is an equidigital number, since it uses as much as digits as its factorization.

90366884837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 90366884837 in words is "ninety billion, three hundred sixty-six million, eight hundred eighty-four thousand, eight hundred thirty-seven".