117970853 has 32 divisors (see below), whose sum is σ = 160849920. Its totient is φ = 83540160.

The previous prime is 117970849. The next prime is 117970859. The reversal of 117970853 is 358079711.

It is not a de Polignac number, because 117970853 - 2² = 117970849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117970853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117970859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66188 + ... + 67946.

It is an arithmetic number, because the mean of its divisors is an integer number (5026560).

Almost surely, 2^117970853 is an apocalyptic number.

117970853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

117970853 is a deficient number, since it is larger than the sum of its proper divisors (42879067).

117970853 is a wasteful number, since it uses less digits than its factorization.

117970853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 117970853 is about 10861.4388089240. The cubic root of 117970853 is about 490.4464250270.

The spelling of 117970853 in words is "one hundred seventeen million, nine hundred seventy thousand, eight hundred fifty-three".