27192788531 has 2 divisors, whose sum is σ = 27192788532. Its totient is φ = 27192788530.

The previous prime is 27192788383. The next prime is 27192788563. The reversal of 27192788531 is 13588729172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27192788531 - 2³⁴ = 10012919347 is a prime.

It is a super-2 number, since 2×27192788531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27192785531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13596394265 + 13596394266.

It is an arithmetic number, because the mean of its divisors is an integer number (13596394266).

Almost surely, 2^27192788531 is an apocalyptic number.

27192788531 is a deficient number, since it is larger than the sum of its proper divisors (1).

27192788531 is an equidigital number, since it uses as much as digits as its factorization.

27192788531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 53.

The spelling of 27192788531 in words is "twenty-seven billion, one hundred ninety-two million, seven hundred eighty-eight thousand, five hundred thirty-one".