90837379 has 2 divisors, whose sum is σ = 90837380. Its totient is φ = 90837378.

The previous prime is 90837377. The next prime is 90837391. The reversal of 90837379 is 97373809.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90837379 - 2¹ = 90837377 is a prime.

Together with 90837377, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90837377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45418689 + 45418690.

It is an arithmetic number, because the mean of its divisors is an integer number (45418690).

Almost surely, 2^90837379 is an apocalyptic number.

90837379 is a deficient number, since it is larger than the sum of its proper divisors (1).

90837379 is an equidigital number, since it uses as much as digits as its factorization.

90837379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 90837379 is about 9530.8645463043. The cubic root of 90837379 is about 449.5260507965.

The spelling of 90837379 in words is "ninety million, eight hundred thirty-seven thousand, three hundred seventy-nine".