90864379 has 8 divisors (see below), whose sum is σ = 94076928. Its totient is φ = 87669480.

The previous prime is 90864373. The next prime is 90864383. The reversal of 90864379 is 97346809.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90864379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90864373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6534 + ... + 14980.

It is an arithmetic number, because the mean of its divisors is an integer number (11759616).

Almost surely, 2^90864379 is an apocalyptic number.

90864379 is a deficient number, since it is larger than the sum of its proper divisors (3212549).

90864379 is a wasteful number, since it uses less digits than its factorization.

90864379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8825.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 90864379 is about 9532.2808917908. The cubic root of 90864379 is about 449.5705845966.

The spelling of 90864379 in words is "ninety million, eight hundred sixty-four thousand, three hundred seventy-nine".