90833867 has 2 divisors, whose sum is σ = 90833868. Its totient is φ = 90833866.

The previous prime is 90833849. The next prime is 90833879. The reversal of 90833867 is 76833809.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90833867 - 2⁶ = 90833803 is a prime.

It is not a weakly prime, because it can be changed into another prime (90833837) 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, 45416933 + 45416934.

It is an arithmetic number, because the mean of its divisors is an integer number (45416934).

Almost surely, 2^90833867 is an apocalyptic number.

90833867 is a deficient number, since it is larger than the sum of its proper divisors (1).

90833867 is an equidigital number, since it uses as much as digits as its factorization.

90833867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 90833867 is about 9530.6803010068. The cubic root of 90833867 is about 449.5202574551.

The spelling of 90833867 in words is "ninety million, eight hundred thirty-three thousand, eight hundred sixty-seven".