90768371 has 2 divisors, whose sum is σ = 90768372. Its totient is φ = 90768370.

The previous prime is 90768361. The next prime is 90768409. The reversal of 90768371 is 17386709.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90768371 - 2²⁶ = 23659507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (90768311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45384185 + 45384186.

It is an arithmetic number, because the mean of its divisors is an integer number (45384186).

Almost surely, 2^90768371 is an apocalyptic number.

90768371 is a deficient number, since it is larger than the sum of its proper divisors (1).

90768371 is an equidigital number, since it uses as much as digits as its factorization.

90768371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 90768371 is about 9527.2436202713. The cubic root of 90768371 is about 449.4121888865.

The spelling of 90768371 in words is "ninety million, seven hundred sixty-eight thousand, three hundred seventy-one".