117523855 has 8 divisors (see below), whose sum is σ = 141153264. Its totient is φ = 93936000.

The previous prime is 117523849. The next prime is 117523897. The reversal of 117523855 is 558325711.

It is a happy number.

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

It is not a de Polignac number, because 117523855 - 2⁵ = 117523823 is a prime.

It is a super-2 number, since 2×117523855² = 27623712988122050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3781 + ... + 15790.

It is an arithmetic number, because the mean of its divisors is an integer number (17644158).

Almost surely, 2^117523855 is an apocalyptic number.

117523855 is a deficient number, since it is larger than the sum of its proper divisors (23629409).

117523855 is a wasteful number, since it uses less digits than its factorization.

117523855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20777.

The product of its digits is 42000, while the sum is 37.

The square root of 117523855 is about 10840.8419875949. The cubic root of 117523855 is about 489.8261982520.

The spelling of 117523855 in words is "one hundred seventeen million, five hundred twenty-three thousand, eight hundred fifty-five".