117769431 has 8 divisors (see below), whose sum is σ = 169104880. Its totient is φ = 72473472.

The previous prime is 117769427. The next prime is 117769529. The reversal of 117769431 is 134967711.

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

It is not a de Polignac number, because 117769431 - 2² = 117769427 is a prime.

It is a super-2 number, since 2×117769431² = 27739277756127522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3019729 = 117769431 / (1 + 1 + 7 + 7 + 6 + 9 + 4 + 3 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117769431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117769411) 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, 1509826 + ... + 1509903.

It is an arithmetic number, because the mean of its divisors is an integer number (21138110).

Almost surely, 2^117769431 is an apocalyptic number.

117769431 is a deficient number, since it is larger than the sum of its proper divisors (51335449).

117769431 is a wasteful number, since it uses less digits than its factorization.

117769431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019745.

The product of its digits is 31752, while the sum is 39.

The square root of 117769431 is about 10852.1625033907. The cubic root of 117769431 is about 490.1671385956.

The spelling of 117769431 in words is "one hundred seventeen million, seven hundred sixty-nine thousand, four hundred thirty-one".