90976388264381 has 2 divisors, whose sum is σ = 90976388264382. Its totient is φ = 90976388264380.

The previous prime is 90976388264323. The next prime is 90976388264537. The reversal of 90976388264381 is 18346288367909.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83641450624900 + 7334937639481 = 9145570^2 + 2708309^2 .

It is a cyclic number.

It is not a de Polignac number, because 90976388264381 - 2³⁴ = 90959208395197 is a prime.

It is a super-2 number, since 2×90976388264381² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90976388264299 and 90976388264308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90976381264381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45488194132190 + 45488194132191.

It is an arithmetic number, because the mean of its divisors is an integer number (45488194132191).

Almost surely, 2^{90976388264381} is an apocalyptic number.

It is an amenable number.

90976388264381 is a deficient number, since it is larger than the sum of its proper divisors (1).

90976388264381 is an equidigital number, since it uses as much as digits as its factorization.

90976388264381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 752467968, while the sum is 74.

The spelling of 90976388264381 in words is "ninety trillion, nine hundred seventy-six billion, three hundred eighty-eight million, two hundred sixty-four thousand, three hundred eighty-one".