27872379 has 12 divisors (see below), whose sum is σ = 41559232. Its totient is φ = 17982000.

The previous prime is 27872357. The next prime is 27872407. The reversal of 27872379 is 97327872.

27872379 is a `hidden beast` number, since 278 + 7 + 2 + 379 = 666.

It is not a de Polignac number, because 27872379 - 2⁵ = 27872347 is a prime.

It is a super-2 number, since 2×27872379² = 1553739022239282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27872879) 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, 49672 + ... + 50229.

Almost surely, 2^27872379 is an apocalyptic number.

27872379 is a deficient number, since it is larger than the sum of its proper divisors (13686853).

27872379 is a wasteful number, since it uses less digits than its factorization.

27872379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99938 (or 99935 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 27872379 is about 5279.4297987567. The cubic root of 27872379 is about 303.1968462425.

The spelling of 27872379 in words is "twenty-seven million, eight hundred seventy-two thousand, three hundred seventy-nine".