27612900671 has 2 divisors, whose sum is σ = 27612900672. Its totient is φ = 27612900670.

The previous prime is 27612900629. The next prime is 27612900701. The reversal of 27612900671 is 17600921672.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27612900671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27612900071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13806450335 + 13806450336.

It is an arithmetic number, because the mean of its divisors is an integer number (13806450336).

Almost surely, 2^27612900671 is an apocalyptic number.

27612900671 is a deficient number, since it is larger than the sum of its proper divisors (1).

27612900671 is an equidigital number, since it uses as much as digits as its factorization.

27612900671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The spelling of 27612900671 in words is "twenty-seven billion, six hundred twelve million, nine hundred thousand, six hundred seventy-one".