117747677 has 2 divisors, whose sum is σ = 117747678. Its totient is φ = 117747676.

The previous prime is 117747667. The next prime is 117747689. The reversal of 117747677 is 776747711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70123876 + 47623801 = 8374^2 + 6901^2 .

It is a cyclic number.

It is not a de Polignac number, because 117747677 - 2¹⁴ = 117731293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117747667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58873838 + 58873839.

It is an arithmetic number, because the mean of its divisors is an integer number (58873839).

Almost surely, 2^117747677 is an apocalyptic number.

It is an amenable number.

117747677 is a deficient number, since it is larger than the sum of its proper divisors (1).

117747677 is an equidigital number, since it uses as much as digits as its factorization.

117747677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403368, while the sum is 47.

The square root of 117747677 is about 10851.1601683875. The cubic root of 117747677 is about 490.1369560249.

The spelling of 117747677 in words is "one hundred seventeen million, seven hundred forty-seven thousand, six hundred seventy-seven".