117853402907 has 4 divisors (see below), whose sum is σ = 118753047336. Its totient is φ = 116953758480.

The previous prime is 117853402879. The next prime is 117853402937. The reversal of 117853402907 is 709204358711.

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

It is a cyclic number.

It is not a de Polignac number, because 117853402907 - 2⁸ = 117853402651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117853402937) 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, 449822018 + ... + 449822279.

It is an arithmetic number, because the mean of its divisors is an integer number (29688261834).

Almost surely, 2^117853402907 is an apocalyptic number.

117853402907 is a deficient number, since it is larger than the sum of its proper divisors (899644429).

117853402907 is an equidigital number, since it uses as much as digits as its factorization.

117853402907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899644428.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 117853402907 in words is "one hundred seventeen billion, eight hundred fifty-three million, four hundred two thousand, nine hundred seven".