90333679 has 2 divisors, whose sum is σ = 90333680. Its totient is φ = 90333678.

The previous prime is 90333647. The next prime is 90333731. The reversal of 90333679 is 97633309.

It is a weak prime.

It is an emirp because it is prime and its reverse (97633309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90333679 - 2⁵ = 90333647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90333629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45166839 + 45166840.

It is an arithmetic number, because the mean of its divisors is an integer number (45166840).

Almost surely, 2^90333679 is an apocalyptic number.

90333679 is a deficient number, since it is larger than the sum of its proper divisors (1).

90333679 is an equidigital number, since it uses as much as digits as its factorization.

90333679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 40.

The square root of 90333679 is about 9504.4031374937. The cubic root of 90333679 is about 448.6936251836.

The spelling of 90333679 in words is "ninety million, three hundred thirty-three thousand, six hundred seventy-nine".