117838802678 has 32 divisors (see below), whose sum is σ = 180563904000. Its totient is φ = 57660470784.

The previous prime is 117838802671. The next prime is 117838802687. The reversal of 117838802678 is 876208838711.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117838802671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25799951 + ... + 25804517.

It is an arithmetic number, because the mean of its divisors is an integer number (5642622000).

Almost surely, 2^117838802678 is an apocalyptic number.

117838802678 is a deficient number, since it is larger than the sum of its proper divisors (62725101322).

117838802678 is a wasteful number, since it uses less digits than its factorization.

117838802678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564.

The product of its (nonzero) digits is 7225344, while the sum is 59.

The spelling of 117838802678 in words is "one hundred seventeen billion, eight hundred thirty-eight million, eight hundred two thousand, six hundred seventy-eight".