117579478667 has 8 divisors (see below), whose sum is σ = 134389881600. Its totient is φ = 100772409384.

The previous prime is 117579478663. The next prime is 117579478669. The reversal of 117579478667 is 766874975711.

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 117579478667 - 2² = 117579478663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117579478597 and 117579478606.

It is not an unprimeable number, because it can be changed into a prime (117579478663) 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 7 ways as a sum of consecutive naturals, for example, 757367 + ... + 899312.

It is an arithmetic number, because the mean of its divisors is an integer number (16798735200).

Almost surely, 2^117579478667 is an apocalyptic number.

117579478667 is a deficient number, since it is larger than the sum of its proper divisors (16810402933).

117579478667 is a wasteful number, since it uses less digits than its factorization.

117579478667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666825.

The product of its digits is 124467840, while the sum is 68.

The spelling of 117579478667 in words is "one hundred seventeen billion, five hundred seventy-nine million, four hundred seventy-eight thousand, six hundred sixty-seven".