27932157 has 12 divisors (see below), whose sum is σ = 44014464. Its totient is φ = 16928520.

The previous prime is 27932137. The next prime is 27932161. The reversal of 27932157 is 75123972.

It is not a de Polignac number, because 27932157 - 2¹⁰ = 27931133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27932117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140973 + ... + 141170.

It is an arithmetic number, because the mean of its divisors is an integer number (3667872).

Almost surely, 2^27932157 is an apocalyptic number.

It is an amenable number.

27932157 is a deficient number, since it is larger than the sum of its proper divisors (16082307).

27932157 is a wasteful number, since it uses less digits than its factorization.

27932157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282160 (or 282157 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 27932157 is about 5285.0881733420. The cubic root of 27932157 is about 303.4134472876.

It can be divided in two parts, 279321 and 57, that added together give a triangular number (279378 = T₇₄₇).

The spelling of 27932157 in words is "twenty-seven million, nine hundred thirty-two thousand, one hundred fifty-seven".