90403763 has 2 divisors, whose sum is σ = 90403764. Its totient is φ = 90403762.

The previous prime is 90403751. The next prime is 90403799. The reversal of 90403763 is 36730409.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90403763 - 2⁶ = 90403699 is a prime.

It is a Sophie Germain prime.

It is equal to p_5239148 and since 90403763 and 5239148 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (90403723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45201881 + 45201882.

It is an arithmetic number, because the mean of its divisors is an integer number (45201882).

Almost surely, 2^90403763 is an apocalyptic number.

90403763 is a deficient number, since it is larger than the sum of its proper divisors (1).

90403763 is an equidigital number, since it uses as much as digits as its factorization.

90403763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 90403763 is about 9508.0893453943. The cubic root of 90403763 is about 448.8096325447.

The spelling of 90403763 in words is "ninety million, four hundred three thousand, seven hundred sixty-three".