117405379 has 8 divisors (see below), whose sum is σ = 144499040. Its totient is φ = 92892096.

The previous prime is 117405371. The next prime is 117405391. The reversal of 117405379 is 973504711.

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

It is a cyclic number.

It is not a de Polignac number, because 117405379 - 2³ = 117405371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117405371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644994 + ... + 645175.

It is an arithmetic number, because the mean of its divisors is an integer number (18062380).

Almost surely, 2^117405379 is an apocalyptic number.

117405379 is a deficient number, since it is larger than the sum of its proper divisors (27093661).

117405379 is a wasteful number, since it uses less digits than its factorization.

117405379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290189.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 117405379 is about 10835.3762740387. The cubic root of 117405379 is about 489.6615446999.

The spelling of 117405379 in words is "one hundred seventeen million, four hundred five thousand, three hundred seventy-nine".