90368567 has 2 divisors, whose sum is σ = 90368568. Its totient is φ = 90368566.

The previous prime is 90368563. The next prime is 90368591. The reversal of 90368567 is 76586309.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90368567 - 2² = 90368563 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90368561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45184283 + 45184284.

It is an arithmetic number, because the mean of its divisors is an integer number (45184284).

Almost surely, 2^90368567 is an apocalyptic number.

90368567 is a deficient number, since it is larger than the sum of its proper divisors (1).

90368567 is an equidigital number, since it uses as much as digits as its factorization.

90368567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 90368567 is about 9506.2383201769. The cubic root of 90368567 is about 448.7513814510.

The spelling of 90368567 in words is "ninety million, three hundred sixty-eight thousand, five hundred sixty-seven".