27694264101156 has 45 divisors (see below), whose sum is σ = 72398524464651. Its totient is φ = 9231389791848.

The previous prime is 27694264101143. The next prime is 27694264101157. The reversal of 27694264101156 is 65110146249672.

The square root of 27694264101156 is 5262534.

It is a perfect power (a square), and thus also a powerful number.

27694264101156 is a `hidden beast` number, since 2 + 7 + 6 + 94 + 26 + 410 + 115 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (27694264101157) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 94579431 + ... + 94871793.

Almost surely, 2^{27694264101156} is an apocalyptic number.

27694264101156 is the 5262534-th square number.

It is an amenable number.

27694264101156 is an abundant number, since it is smaller than the sum of its proper divisors (44704260363495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27694264101156 is an frugal number, since it uses more digits than its factorization.

27694264101156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584742 (or 292368 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 27694264101156 in words is "twenty-seven trillion, six hundred ninety-four billion, two hundred sixty-four million, one hundred one thousand, one hundred fifty-six".