27875967 has 8 divisors (see below), whose sum is σ = 42477696. Its totient is φ = 15929112.

The previous prime is 27875929. The next prime is 27875993. The reversal of 27875967 is 76957872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27875967 - 2¹⁹ = 27351679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27875927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663693 + ... + 663734.

It is an arithmetic number, because the mean of its divisors is an integer number (5309712).

Almost surely, 2^27875967 is an apocalyptic number.

27875967 is a deficient number, since it is larger than the sum of its proper divisors (14601729).

27875967 is a wasteful number, since it uses less digits than its factorization.

27875967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327437.

The product of its digits is 1481760, while the sum is 51.

The square root of 27875967 is about 5279.7695972457. The cubic root of 27875967 is about 303.2098558198.

It can be divided in two parts, 278 and 75967, that added together give a triangular number (76245 = T₃₉₀).

The spelling of 27875967 in words is "twenty-seven million, eight hundred seventy-five thousand, nine hundred sixty-seven".