117143377 has 4 divisors (see below), whose sum is σ = 126154420. Its totient is φ = 108132336.

The previous prime is 117143359. The next prime is 117143401. The reversal of 117143377 is 773341711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47320641 + 69822736 = 6879^2 + 8356^2 .

It is not a de Polignac number, because 117143377 - 2⁷ = 117143249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117143177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4505502 + ... + 4505527.

It is an arithmetic number, because the mean of its divisors is an integer number (31538605).

Almost surely, 2^117143377 is an apocalyptic number.

It is an amenable number.

117143377 is a deficient number, since it is larger than the sum of its proper divisors (9011043).

117143377 is an equidigital number, since it uses as much as digits as its factorization.

117143377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9011042.

The product of its digits is 12348, while the sum is 34.

The square root of 117143377 is about 10823.2794013644. The cubic root of 117143377 is about 489.2970302968.

The spelling of 117143377 in words is "one hundred seventeen million, one hundred forty-three thousand, three hundred seventy-seven".