27797946992 has 20 divisors (see below), whose sum is σ = 54507422760. Its totient is φ = 13731515328.

The previous prime is 27797946961. The next prime is 27797947027. The reversal of 27797946992 is 29964979772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10464767 + ... + 10467422.

It is an arithmetic number, because the mean of its divisors is an integer number (2725371138).

Almost surely, 2^27797946992 is an apocalyptic number.

It is an amenable number.

27797946992 is a deficient number, since it is larger than the sum of its proper divisors (26709475768).

27797946992 is a wasteful number, since it uses less digits than its factorization.

27797946992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20932280 (or 20932274 counting only the distinct ones).

The product of its digits is 216040608, while the sum is 71.

The spelling of 27797946992 in words is "twenty-seven billion, seven hundred ninety-seven million, nine hundred forty-six thousand, nine hundred ninety-two".