27627803131 has 2 divisors, whose sum is σ = 27627803132. Its totient is φ = 27627803130.

The previous prime is 27627803089. The next prime is 27627803213. The reversal of 27627803131 is 13130872672.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27627803131 - 2¹¹ = 27627801083 is a prime.

It is a super-2 number, since 2×27627803131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27627803531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13813901565 + 13813901566.

It is an arithmetic number, because the mean of its divisors is an integer number (13813901566).

Almost surely, 2^27627803131 is an apocalyptic number.

27627803131 is a deficient number, since it is larger than the sum of its proper divisors (1).

27627803131 is an equidigital number, since it uses as much as digits as its factorization.

27627803131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 27627803131 in words is "twenty-seven billion, six hundred twenty-seven million, eight hundred three thousand, one hundred thirty-one".