117878878711 has 32 divisors (see below), whose sum is σ = 132646740480. Its totient is φ = 103841712000.

The previous prime is 117878878673. The next prime is 117878878721.

117878878711 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 117878878711 - 2¹⁷ = 117878747639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117878878721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26082910 + ... + 26087428.

It is an arithmetic number, because the mean of its divisors is an integer number (4145210640).

Almost surely, 2^117878878711 is an apocalyptic number.

117878878711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

117878878711 is a deficient number, since it is larger than the sum of its proper divisors (14767861769).

117878878711 is a wasteful number, since it uses less digits than its factorization.

117878878711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127.

The product of its digits is 9834496, while the sum is 64.

The spelling of 117878878711 in words is "one hundred seventeen billion, eight hundred seventy-eight million, eight hundred seventy-eight thousand, seven hundred eleven".