27385666372 has 24 divisors (see below), whose sum is σ = 48251059416. Its totient is φ = 13599725568.

The previous prime is 27385666361. The next prime is 27385666433. The reversal of 27385666372 is 27366658372.

It can be written as a sum of positive squares in 4 ways, for example, as 7993432836 + 19392233536 = 89406^2 + 139256^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 1683108 + ... + 1699300.

It is an arithmetic number, because the mean of its divisors is an integer number (2010460809).

Almost surely, 2^27385666372 is an apocalyptic number.

It is an amenable number.

27385666372 is a deficient number, since it is larger than the sum of its proper divisors (20865393044).

27385666372 is a wasteful number, since it uses less digits than its factorization.

27385666372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19047 (or 19045 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 55.

The spelling of 27385666372 in words is "twenty-seven billion, three hundred eighty-five million, six hundred sixty-six thousand, three hundred seventy-two".