90761299 has 2 divisors, whose sum is σ = 90761300. Its totient is φ = 90761298.

The previous prime is 90761291. The next prime is 90761369. The reversal of 90761299 is 99216709.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90761299 - 2³ = 90761291 is a prime.

It is a super-2 number, since 2×90761299² = 16475226792334802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90761291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45380649 + 45380650.

It is an arithmetic number, because the mean of its divisors is an integer number (45380650).

Almost surely, 2^90761299 is an apocalyptic number.

90761299 is a deficient number, since it is larger than the sum of its proper divisors (1).

90761299 is an equidigital number, since it uses as much as digits as its factorization.

90761299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 90761299 is about 9526.8724668697. The cubic root of 90761299 is about 449.4005169589.

The spelling of 90761299 in words is "ninety million, seven hundred sixty-one thousand, two hundred ninety-nine".