27077957 has 4 divisors (see below), whose sum is σ = 28670796. Its totient is φ = 25485120.

The previous prime is 27077903. The next prime is 27077977. The reversal of 27077957 is 75977072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20349121 + 6728836 = 4511^2 + 2594^2 .

It is a cyclic number.

It is not a de Polignac number, because 27077957 - 2⁶ = 27077893 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 (27077977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796394 + ... + 796427.

It is an arithmetic number, because the mean of its divisors is an integer number (7167699).

Almost surely, 2^27077957 is an apocalyptic number.

It is an amenable number.

27077957 is a deficient number, since it is larger than the sum of its proper divisors (1592839).

27077957 is a wasteful number, since it uses less digits than its factorization.

27077957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592838.

The product of its (nonzero) digits is 216090, while the sum is 44.

The square root of 27077957 is about 5203.6484316295. The cubic root of 27077957 is about 300.2884521918.

The spelling of 27077957 in words is "twenty-seven million, seventy-seven thousand, nine hundred fifty-seven".