28914314572 has 24 divisors (see below), whose sum is σ = 59446214352. Its totient is φ = 12131880000.

The previous prime is 28914314521. The next prime is 28914314593. The reversal of 28914314572 is 27541341982.

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, 25274179 + ... + 25275322.

It is an arithmetic number, because the mean of its divisors is an integer number (2476925598).

Almost surely, 2^28914314572 is an apocalyptic number.

28914314572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28914314572 is an abundant number, since it is smaller than the sum of its proper divisors (30531899780).

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

28914314572 is a wasteful number, since it uses less digits than its factorization.

28914314572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50549529 (or 50549527 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The spelling of 28914314572 in words is "twenty-eight billion, nine hundred fourteen million, three hundred fourteen thousand, five hundred seventy-two".