90366936679 has 2 divisors, whose sum is σ = 90366936680. Its totient is φ = 90366936678.

The previous prime is 90366936677. The next prime is 90366936761. The reversal of 90366936679 is 97663966309.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90366936679 - 2¹ = 90366936677 is a prime.

Together with 90366936677, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 90366936679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90366936677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45183468339 + 45183468340.

It is an arithmetic number, because the mean of its divisors is an integer number (45183468340).

Almost surely, 2^90366936679 is an apocalyptic number.

90366936679 is a deficient number, since it is larger than the sum of its proper divisors (1).

90366936679 is an equidigital number, since it uses as much as digits as its factorization.

90366936679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59521392, while the sum is 64.

The spelling of 90366936679 in words is "ninety billion, three hundred sixty-six million, nine hundred thirty-six thousand, six hundred seventy-nine".