28423088090 has 32 divisors (see below), whose sum is σ = 52573553280. Its totient is φ = 11055801024.

The previous prime is 28423088081. The next prime is 28423088129. The reversal of 28423088090 is 9088032482.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674789 + ... + 715671.

It is an arithmetic number, because the mean of its divisors is an integer number (1642923540).

Almost surely, 2^28423088090 is an apocalyptic number.

28423088090 is a deficient number, since it is larger than the sum of its proper divisors (24150465190).

28423088090 is a wasteful number, since it uses less digits than its factorization.

28423088090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42806.

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 28423088090 in words is "twenty-eight billion, four hundred twenty-three million, eighty-eight thousand, ninety".