117379845 has 48 divisors (see below), whose sum is σ = 224707392. Its totient is φ = 56206080.

The previous prime is 117379837. The next prime is 117379861. The reversal of 117379845 is 548973711.

It is not a de Polignac number, because 117379845 - 2³ = 117379837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 117379845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39657 + ... + 42513.

It is an arithmetic number, because the mean of its divisors is an integer number (4681404).

Almost surely, 2^117379845 is an apocalyptic number.

117379845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117379845 is a deficient number, since it is larger than the sum of its proper divisors (107327547).

117379845 is a wasteful number, since it uses less digits than its factorization.

117379845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962 (or 2959 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 117379845 is about 10834.1979398569. The cubic root of 117379845 is about 489.6260439858.

It can be divided in two parts, 1173 and 79845, that added together give a palindrome (81018).

The spelling of 117379845 in words is "one hundred seventeen million, three hundred seventy-nine thousand, eight hundred forty-five".