27679761869157 has 12 divisors (see below), whose sum is σ = 42333753447180. Its totient is φ = 17367693721728.

The previous prime is 27679761869129. The next prime is 27679761869167. The reversal of 27679761869157 is 75196816797672.

27679761869157 is a `hidden beast` number, since 276 + 79 + 76 + 1 + 8 + 69 + 157 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18888115834116 + 8791646035041 = 4346046^2 + 2965071^2 .

It is not a de Polignac number, because 27679761869157 - 2²⁴ = 27679745091941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27679761869107) 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, 90456737982 + ... + 90456738287.

It is an arithmetic number, because the mean of its divisors is an integer number (3527812787265).

Almost surely, 2^{27679761869157} is an apocalyptic number.

It is an amenable number.

27679761869157 is a deficient number, since it is larger than the sum of its proper divisors (14653991578023).

27679761869157 is a wasteful number, since it uses less digits than its factorization.

27679761869157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180913476292 (or 180913476289 counting only the distinct ones).

The product of its digits is 3360631680, while the sum is 81.

The spelling of 27679761869157 in words is "twenty-seven trillion, six hundred seventy-nine billion, seven hundred sixty-one million, eight hundred sixty-nine thousand, one hundred fifty-seven".