28418770672 has 10 divisors (see below), whose sum is σ = 55061368208. Its totient is φ = 14209385328.

The previous prime is 28418770669. The next prime is 28418770727. The reversal of 28418770672 is 27607781482.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 888086568 + ... + 888086599.

Almost surely, 2^28418770672 is an apocalyptic number.

It is an amenable number.

28418770672 is a deficient number, since it is larger than the sum of its proper divisors (26642597536).

28418770672 is a wasteful number, since it uses less digits than its factorization.

28418770672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776173175 (or 1776173169 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 52.

The spelling of 28418770672 in words is "twenty-eight billion, four hundred eighteen million, seven hundred seventy thousand, six hundred seventy-two".