28479323404 has 48 divisors (see below), whose sum is σ = 58378070016. Its totient is φ = 11901571200.

The previous prime is 28479323387. The next prime is 28479323413. The reversal of 28479323404 is 40432397482.

It is a super-3 number, since 3×28479323404³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 2716677 + ... + 2727139.

It is an arithmetic number, because the mean of its divisors is an integer number (1216209792).

Almost surely, 2^28479323404 is an apocalyptic number.

It is an amenable number.

28479323404 is an abundant number, since it is smaller than the sum of its proper divisors (29898746612).

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

28479323404 is a wasteful number, since it uses less digits than its factorization.

28479323404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12886 (or 12884 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 28479323404 in words is "twenty-eight billion, four hundred seventy-nine million, three hundred twenty-three thousand, four hundred four".