27778162924 has 6 divisors (see below), whose sum is σ = 48611785124. Its totient is φ = 13889081460.

The previous prime is 27778162913. The next prime is 27778163033. The reversal of 27778162924 is 42926187772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3472270362 + ... + 3472270369.

Almost surely, 2^27778162924 is an apocalyptic number.

It is an amenable number.

27778162924 is a deficient number, since it is larger than the sum of its proper divisors (20833622200).

27778162924 is a wasteful number, since it uses less digits than its factorization.

27778162924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6944540735 (or 6944540733 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 55.

The spelling of 27778162924 in words is "twenty-seven billion, seven hundred seventy-eight million, one hundred sixty-two thousand, nine hundred twenty-four".