27574665988 has 48 divisors (see below), whose sum is σ = 49018737600. Its totient is φ = 13571648640.

The previous prime is 27574665973. The next prime is 27574666069. The reversal of 27574665988 is 88956647572.

It is a super-2 number, since 2×27574665988² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49505406 + ... + 49505962.

It is an arithmetic number, because the mean of its divisors is an integer number (1021223700).

Almost surely, 2^27574665988 is an apocalyptic number.

It is an amenable number.

27574665988 is a deficient number, since it is larger than the sum of its proper divisors (21444071612).

27574665988 is a wasteful number, since it uses less digits than its factorization.

With its successor (27574665989) it forms an eRAP, since the sums of their prime factors are consecutive (1300 and 1301).

27574665988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 1298 counting only the distinct ones).

The product of its digits is 203212800, while the sum is 67.

The spelling of 27574665988 in words is "twenty-seven billion, five hundred seventy-four million, six hundred sixty-five thousand, nine hundred eighty-eight".