27929092168 has 8 divisors (see below), whose sum is σ = 52367047830. Its totient is φ = 13964546080.

The previous prime is 27929092133. The next prime is 27929092181. The reversal of 27929092168 is 86129092972.

It can be written as a sum of positive squares in only one way, i.e., 27041171364 + 887920804 = 164442^2 + 29798^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1745568253 + ... + 1745568268.

Almost surely, 2^27929092168 is an apocalyptic number.

It is an amenable number.

27929092168 is a deficient number, since it is larger than the sum of its proper divisors (24437955662).

27929092168 is a wasteful number, since it uses less digits than its factorization.

27929092168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491136527 (or 3491136523 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 27929092168 in words is "twenty-seven billion, nine hundred twenty-nine million, ninety-two thousand, one hundred sixty-eight".