117566677919 has 2 divisors, whose sum is σ = 117566677920. Its totient is φ = 117566677918.

The previous prime is 117566677883. The next prime is 117566677951. The reversal of 117566677919 is 919776665711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117566677919 - 2¹² = 117566673823 is a prime.

It is a super-2 number, since 2×117566677919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117566677219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58783338959 + 58783338960.

It is an arithmetic number, because the mean of its divisors is an integer number (58783338960).

Almost surely, 2^117566677919 is an apocalyptic number.

117566677919 is a deficient number, since it is larger than the sum of its proper divisors (1).

117566677919 is an equidigital number, since it uses as much as digits as its factorization.

117566677919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30005640, while the sum is 65.

The spelling of 117566677919 in words is "one hundred seventeen billion, five hundred sixty-six million, six hundred seventy-seven thousand, nine hundred nineteen".