90760849 has 2 divisors, whose sum is σ = 90760850. Its totient is φ = 90760848.

The previous prime is 90760811. The next prime is 90760871. The reversal of 90760849 is 94806709.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60949249 + 29811600 = 7807^2 + 5460^2 .

It is a cyclic number.

It is not a de Polignac number, because 90760849 - 2¹³ = 90752657 is a prime.

It is a super-2 number, since 2×90760849² = 16475063422401602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90766849) 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, 45380424 + 45380425.

It is an arithmetic number, because the mean of its divisors is an integer number (45380425).

Almost surely, 2^90760849 is an apocalyptic number.

It is an amenable number.

90760849 is a deficient number, since it is larger than the sum of its proper divisors (1).

90760849 is an equidigital number, since it uses as much as digits as its factorization.

90760849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 90760849 is about 9526.8488494360. The cubic root of 90760849 is about 449.3997742394.

The spelling of 90760849 in words is "ninety million, seven hundred sixty thousand, eight hundred forty-nine".