117804431 has 8 divisors (see below), whose sum is σ = 118680000. Its totient is φ = 116932608.

The previous prime is 117804403. The next prime is 117804437. The reversal of 117804431 is 134408711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117804431 is a prime.

It is a super-2 number, since 2×117804431² = 27755767926467522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117804394 and 117804403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117804437) 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, 93695 + ... + 94943.

It is an arithmetic number, because the mean of its divisors is an integer number (14835000).

Almost surely, 2^117804431 is an apocalyptic number.

117804431 is a deficient number, since it is larger than the sum of its proper divisors (875569).

117804431 is a wasteful number, since it uses less digits than its factorization.

117804431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 117804431 is about 10853.7749654210. The cubic root of 117804431 is about 490.2156915194.

The spelling of 117804431 in words is "one hundred seventeen million, eight hundred four thousand, four hundred thirty-one".