27077425731 has 6 divisors (see below), whose sum is σ = 39111837180. Its totient is φ = 18051617148.

The previous prime is 27077425709. The next prime is 27077425741. The reversal of 27077425731 is 13752477072.

27077425731 is a `hidden beast` number, since 2 + 7 + 0 + 7 + 74 + 2 + 573 + 1 = 666.

It is not a de Polignac number, because 27077425731 - 2¹⁵ = 27077392963 is a prime.

It is a super-2 number, since 2×27077425731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27077425741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1504301421 + ... + 1504301438.

It is an arithmetic number, because the mean of its divisors is an integer number (6518639530).

Almost surely, 2^27077425731 is an apocalyptic number.

27077425731 is a deficient number, since it is larger than the sum of its proper divisors (12034411449).

27077425731 is a wasteful number, since it uses less digits than its factorization.

27077425731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008602865 (or 3008602862 counting only the distinct ones).

The product of its (nonzero) digits is 576240, while the sum is 45.

The spelling of 27077425731 in words is "twenty-seven billion, seventy-seven million, four hundred twenty-five thousand, seven hundred thirty-one".