27657043432 has 32 divisors (see below), whose sum is σ = 52800400800. Its totient is φ = 13577510464.

The previous prime is 27657043391. The next prime is 27657043441. The reversal of 27657043432 is 23434075672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354918 + ... + 425770.

It is an arithmetic number, because the mean of its divisors is an integer number (1650012525).

Almost surely, 2^27657043432 is an apocalyptic number.

It is an amenable number.

27657043432 is a deficient number, since it is larger than the sum of its proper divisors (25143357368).

27657043432 is a wasteful number, since it uses less digits than its factorization.

27657043432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71745 (or 71741 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 43.

The spelling of 27657043432 in words is "twenty-seven billion, six hundred fifty-seven million, forty-three thousand, four hundred thirty-two".