117797377 has 2 divisors, whose sum is σ = 117797378. Its totient is φ = 117797376.

The previous prime is 117797347. The next prime is 117797389. The reversal of 117797377 is 773797711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117158976 + 638401 = 10824^2 + 799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117797377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117797377.

It is not a weakly prime, because it can be changed into another prime (117797327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58898688 + 58898689.

It is an arithmetic number, because the mean of its divisors is an integer number (58898689).

Almost surely, 2^117797377 is an apocalyptic number.

It is an amenable number.

117797377 is a deficient number, since it is larger than the sum of its proper divisors (1).

117797377 is an equidigital number, since it uses as much as digits as its factorization.

117797377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453789, while the sum is 49.

The square root of 117797377 is about 10853.4500044917. The cubic root of 117797377 is about 490.2059067983.

The spelling of 117797377 in words is "one hundred seventeen million, seven hundred ninety-seven thousand, three hundred seventy-seven".