90364748767 has 2 divisors, whose sum is σ = 90364748768. Its totient is φ = 90364748766.

The previous prime is 90364748743. The next prime is 90364748797. The reversal of 90364748767 is 76784746309.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90364748767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90364748707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45182374383 + 45182374384.

It is an arithmetic number, because the mean of its divisors is an integer number (45182374384).

Almost surely, 2^90364748767 is an apocalyptic number.

90364748767 is a deficient number, since it is larger than the sum of its proper divisors (1).

90364748767 is an equidigital number, since it uses as much as digits as its factorization.

90364748767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42674688, while the sum is 61.

The spelling of 90364748767 in words is "ninety billion, three hundred sixty-four million, seven hundred forty-eight thousand, seven hundred sixty-seven".