90679523 has 8 divisors (see below), whose sum is σ = 99320256. Its totient is φ = 82105000.

The previous prime is 90679499. The next prime is 90679541. The reversal of 90679523 is 32597609.

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

It is a cyclic number.

It is not a de Polignac number, because 90679523 - 2¹⁰ = 90678499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90679553) 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, 13661 + ... + 19182.

It is an arithmetic number, because the mean of its divisors is an integer number (12415032).

Almost surely, 2^90679523 is an apocalyptic number.

90679523 is a deficient number, since it is larger than the sum of its proper divisors (8640733).

90679523 is a wasteful number, since it uses less digits than its factorization.

90679523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33105.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 90679523 is about 9522.5796399925. The cubic root of 90679523 is about 449.2655063325.

The spelling of 90679523 in words is "ninety million, six hundred seventy-nine thousand, five hundred twenty-three".