27747855038 has 16 divisors (see below), whose sum is σ = 43389820800. Its totient is φ = 13293444000.

The previous prime is 27747855029. The next prime is 27747855041. The reversal of 27747855038 is 83055874772.

It is a congruent number.

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, 2209313 + ... + 2221836.

It is an arithmetic number, because the mean of its divisors is an integer number (2711863800).

Almost surely, 2^27747855038 is an apocalyptic number.

27747855038 is a deficient number, since it is larger than the sum of its proper divisors (15641965762).

27747855038 is a wasteful number, since it uses less digits than its factorization.

27747855038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431283.

The product of its (nonzero) digits is 13171200, while the sum is 56.

The spelling of 27747855038 in words is "twenty-seven billion, seven hundred forty-seven million, eight hundred fifty-five thousand, thirty-eight".