117878279763 has 8 divisors (see below), whose sum is σ = 157915926976. Its totient is φ = 78213076200.

The previous prime is 117878279747. The next prime is 117878279773. The reversal of 117878279763 is 367972878711.

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

It is not a de Polignac number, because 117878279763 - 2⁴ = 117878279747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117878279694 and 117878279703.

It is not an unprimeable number, because it can be changed into a prime (117878279773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93110173 + ... + 93111438.

It is an arithmetic number, because the mean of its divisors is an integer number (19739490872).

Almost surely, 2^117878279763 is an apocalyptic number.

117878279763 is a deficient number, since it is larger than the sum of its proper divisors (40037647213).

117878279763 is a wasteful number, since it uses less digits than its factorization.

117878279763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186221825.

The product of its digits is 49787136, while the sum is 66.

The spelling of 117878279763 in words is "one hundred seventeen billion, eight hundred seventy-eight million, two hundred seventy-nine thousand, seven hundred sixty-three".