90451763 has 2 divisors, whose sum is σ = 90451764. Its totient is φ = 90451762.

The previous prime is 90451741. The next prime is 90451771. The reversal of 90451763 is 36715409.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90451763 - 2⁸ = 90451507 is a prime.

It is not a weakly prime, because it can be changed into another prime (90451703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45225881 + 45225882.

It is an arithmetic number, because the mean of its divisors is an integer number (45225882).

Almost surely, 2^90451763 is an apocalyptic number.

90451763 is a deficient number, since it is larger than the sum of its proper divisors (1).

90451763 is an equidigital number, since it uses as much as digits as its factorization.

90451763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 90451763 is about 9510.6131768672. The cubic root of 90451763 is about 448.8890505174.

The spelling of 90451763 in words is "ninety million, four hundred fifty-one thousand, seven hundred sixty-three".