27721696084 has 24 divisors (see below), whose sum is σ = 51101971200. Its totient is φ = 13122152640.

The previous prime is 27721696063. The next prime is 27721696099. The reversal of 27721696084 is 48069612772.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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 in 7 ways as a sum of consecutive naturals, for example, 17377 + ... + 236104.

It is an arithmetic number, because the mean of its divisors is an integer number (2129248800).

Almost surely, 2^27721696084 is an apocalyptic number.

It is an amenable number.

27721696084 is a deficient number, since it is larger than the sum of its proper divisors (23380275116).

27721696084 is a wasteful number, since it uses less digits than its factorization.

27721696084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254943 (or 254941 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 27721696084 in words is "twenty-seven billion, seven hundred twenty-one million, six hundred ninety-six thousand, eighty-four".