27625152697 has 2 divisors, whose sum is σ = 27625152698. Its totient is φ = 27625152696.

The previous prime is 27625152629. The next prime is 27625152701. The reversal of 27625152697 is 79625152672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19248510121 + 8376642576 = 138739^2 + 91524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27625152697 is a prime.

It is not a weakly prime, because it can be changed into another prime (27625152397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13812576348 + 13812576349.

It is an arithmetic number, because the mean of its divisors is an integer number (13812576349).

Almost surely, 2^27625152697 is an apocalyptic number.

It is an amenable number.

27625152697 is a deficient number, since it is larger than the sum of its proper divisors (1).

27625152697 is an equidigital number, since it uses as much as digits as its factorization.

27625152697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 52.

The spelling of 27625152697 in words is "twenty-seven billion, six hundred twenty-five million, one hundred fifty-two thousand, six hundred ninety-seven".