90328608258 has 16 divisors (see below), whose sum is σ = 206465390400. Its totient is φ = 25808173776.

The previous prime is 90328608221. The next prime is 90328608289. The reversal of 90328608258 is 85280682309.

It is a self number, because there is not a number n which added to its sum of digits gives 90328608258.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075340533 + ... + 1075340616.

It is an arithmetic number, because the mean of its divisors is an integer number (12904086900).

Almost surely, 2^90328608258 is an apocalyptic number.

90328608258 is an abundant number, since it is smaller than the sum of its proper divisors (116136782142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90328608258 is a wasteful number, since it uses less digits than its factorization.

90328608258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150681161.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 90328608258 in words is "ninety billion, three hundred twenty-eight million, six hundred eight thousand, two hundred fifty-eight".