117042471879 has 32 divisors (see below), whose sum is σ = 170652303360. Its totient is φ = 71033740800.

The previous prime is 117042471869. The next prime is 117042471899. The reversal of 117042471879 is 978174240711.

It is a happy number.

It is not a de Polignac number, because 117042471879 - 2⁴ = 117042471863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117042471809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3319957 + ... + 3355025.

It is an arithmetic number, because the mean of its divisors is an integer number (5332884480).

Almost surely, 2^117042471879 is an apocalyptic number.

117042471879 is a deficient number, since it is larger than the sum of its proper divisors (53609831481).

117042471879 is a wasteful number, since it uses less digits than its factorization.

117042471879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37231.

The product of its (nonzero) digits is 790272, while the sum is 51.

The spelling of 117042471879 in words is "one hundred seventeen billion, forty-two million, four hundred seventy-one thousand, eight hundred seventy-nine".