117878192026 has 16 divisors (see below), whose sum is σ = 202105826496. Its totient is φ = 50511993696.

The previous prime is 117878192017. The next prime is 117878192051. The reversal of 117878192026 is 620291878711.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500731 + ... + 697486.

It is an arithmetic number, because the mean of its divisors is an integer number (12631614156).

Almost surely, 2^117878192026 is an apocalyptic number.

117878192026 is a deficient number, since it is larger than the sum of its proper divisors (84227634470).

117878192026 is a wasteful number, since it uses less digits than its factorization.

117878192026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205253.

The product of its (nonzero) digits is 677376, while the sum is 52.

The spelling of 117878192026 in words is "one hundred seventeen billion, eight hundred seventy-eight million, one hundred ninety-two thousand, twenty-six".