117932572478 has 8 divisors (see below), whose sum is σ = 202170124272. Its totient is φ = 50542531056.

The previous prime is 117932572463. The next prime is 117932572507. The reversal of 117932572478 is 874275239711.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4211877575 + ... + 4211877602.

It is an arithmetic number, because the mean of its divisors is an integer number (25271265534).

Almost surely, 2^117932572478 is an apocalyptic number.

117932572478 is a deficient number, since it is larger than the sum of its proper divisors (84237551794).

117932572478 is an equidigital number, since it uses as much as digits as its factorization.

117932572478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8423755186.

The product of its digits is 5927040, while the sum is 56.

The spelling of 117932572478 in words is "one hundred seventeen billion, nine hundred thirty-two million, five hundred seventy-two thousand, four hundred seventy-eight".