27390929107 has 2 divisors, whose sum is σ = 27390929108. Its totient is φ = 27390929106.

The previous prime is 27390929087. The next prime is 27390929117. The reversal of 27390929107 is 70192909372.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27390929107 is a prime.

It is not a weakly prime, because it can be changed into another prime (27390929117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13695464553 + 13695464554.

It is an arithmetic number, because the mean of its divisors is an integer number (13695464554).

Almost surely, 2^27390929107 is an apocalyptic number.

27390929107 is a deficient number, since it is larger than the sum of its proper divisors (1).

27390929107 is an equidigital number, since it uses as much as digits as its factorization.

27390929107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 428652, while the sum is 49.

The spelling of 27390929107 in words is "twenty-seven billion, three hundred ninety million, nine hundred twenty-nine thousand, one hundred seven".