27875997 has 12 divisors (see below), whose sum is σ = 41202304. Its totient is φ = 18151560.

The previous prime is 27875993. The next prime is 27876007. The reversal of 27875997 is 79957872.

It is not a de Polignac number, because 27875997 - 2² = 27875993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27875993) 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, 35629 + ... + 36402.

Almost surely, 2^27875997 is an apocalyptic number.

It is an amenable number.

27875997 is a deficient number, since it is larger than the sum of its proper divisors (13326307).

27875997 is a wasteful number, since it uses less digits than its factorization.

27875997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72080 (or 72077 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 54.

The square root of 27875997 is about 5279.7724382780. The cubic root of 27875997 is about 303.2099645908.

The spelling of 27875997 in words is "twenty-seven million, eight hundred seventy-five thousand, nine hundred ninety-seven".