27971204684 has 6 divisors (see below), whose sum is σ = 48949608204. Its totient is φ = 13985602340.

The previous prime is 27971204663. The next prime is 27971204699. The reversal of 27971204684 is 48640217972.

It is a happy 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, 3496400582 + ... + 3496400589.

It is an arithmetic number, because the mean of its divisors is an integer number (8158268034).

Almost surely, 2^27971204684 is an apocalyptic number.

It is an amenable number.

27971204684 is a deficient number, since it is larger than the sum of its proper divisors (20978403520).

27971204684 is a wasteful number, since it uses less digits than its factorization.

27971204684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6992801175 (or 6992801173 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 27971204684 in words is "twenty-seven billion, nine hundred seventy-one million, two hundred four thousand, six hundred eighty-four".