117877399 has 2 divisors, whose sum is σ = 117877400. Its totient is φ = 117877398.

The previous prime is 117877393. The next prime is 117877433. The reversal of 117877399 is 993778711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117877399 - 2⁵ = 117877367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117877393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58938699 + 58938700.

It is an arithmetic number, because the mean of its divisors is an integer number (58938700).

Almost surely, 2^117877399 is an apocalyptic number.

117877399 is a deficient number, since it is larger than the sum of its proper divisors (1).

117877399 is an equidigital number, since it uses as much as digits as its factorization.

117877399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 666792, while the sum is 52.

The square root of 117877399 is about 10857.1358562008. The cubic root of 117877399 is about 490.3168837397.

The spelling of 117877399 in words is "one hundred seventeen million, eight hundred seventy-seven thousand, three hundred ninety-nine".