27916977 has 8 divisors (see below), whose sum is σ = 40606560. Its totient is φ = 16919360.

The previous prime is 27916961. The next prime is 27916979. The reversal of 27916977 is 77961972.

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

It is a cyclic number.

It is not a de Polignac number, because 27916977 - 2⁴ = 27916961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27916979) 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, 422952 + ... + 423017.

It is an arithmetic number, because the mean of its divisors is an integer number (5075820).

Almost surely, 2^27916977 is an apocalyptic number.

It is an amenable number.

27916977 is a deficient number, since it is larger than the sum of its proper divisors (12689583).

27916977 is a wasteful number, since it uses less digits than its factorization.

27916977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845983.

The product of its digits is 333396, while the sum is 48.

The square root of 27916977 is about 5283.6518621120. The cubic root of 27916977 is about 303.3584730066.

The spelling of 27916977 in words is "twenty-seven million, nine hundred sixteen thousand, nine hundred seventy-seven".