117377857 has 8 divisors (see below), whose sum is σ = 119772072. Its totient is φ = 115008000.

The previous prime is 117377837. The next prime is 117377863. The reversal of 117377857 is 758773711.

It can be written as a sum of positive squares in 4 ways, for example, as 78925456 + 38452401 = 8884^2 + 6201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117377857 - 2¹¹ = 117375809 is a prime.

It is a super-2 number, since 2×117377857² = 27555122627824898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117377837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3807 + ... + 15787.

It is an arithmetic number, because the mean of its divisors is an integer number (14971509).

Almost surely, 2^117377857 is an apocalyptic number.

It is an amenable number.

117377857 is a deficient number, since it is larger than the sum of its proper divisors (2394215).

117377857 is a wasteful number, since it uses less digits than its factorization.

117377857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12179.

The product of its digits is 288120, while the sum is 46.

The square root of 117377857 is about 10834.1061929446. The cubic root of 117377857 is about 489.6232797915.

It can be divided in two parts, 11737 and 7857, that multiplied together give a square (92217609 = 9603²).

The spelling of 117377857 in words is "one hundred seventeen million, three hundred seventy-seven thousand, eight hundred fifty-seven".