26630627117 has 2 divisors, whose sum is σ = 26630627118. Its totient is φ = 26630627116.

The previous prime is 26630627053. The next prime is 26630627137. The reversal of 26630627117 is 71172603662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16978350601 + 9652276516 = 130301^2 + 98246^2 .

It is a cyclic number.

It is not a de Polignac number, because 26630627117 - 2⁶ = 26630627053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26630627137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13315313558 + 13315313559.

It is an arithmetic number, because the mean of its divisors is an integer number (13315313559).

Almost surely, 2^26630627117 is an apocalyptic number.

It is an amenable number.

26630627117 is a deficient number, since it is larger than the sum of its proper divisors (1).

26630627117 is an equidigital number, since it uses as much as digits as its factorization.

26630627117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 26630627117 in words is "twenty-six billion, six hundred thirty million, six hundred twenty-seven thousand, one hundred seventeen".