27670256156 has 24 divisors (see below), whose sum is σ = 50142078000. Its totient is φ = 13344888704.

The previous prime is 27670256137. The next prime is 27670256171. The reversal of 27670256156 is 65165207672.

It is a self number, because there is not a number n which added to its sum of digits gives 27670256156.

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, 1160 + ... + 235248.

It is an arithmetic number, because the mean of its divisors is an integer number (2089253250).

Almost surely, 2^27670256156 is an apocalyptic number.

It is an amenable number.

27670256156 is a deficient number, since it is larger than the sum of its proper divisors (22471821844).

27670256156 is a wasteful number, since it uses less digits than its factorization.

27670256156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235141 (or 235139 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 27670256156 in words is "twenty-seven billion, six hundred seventy million, two hundred fifty-six thousand, one hundred fifty-six".