117856882054 has 4 divisors (see below), whose sum is σ = 176785323084. Its totient is φ = 58928441026.

The previous prime is 117856882021. The next prime is 117856882061. The reversal of 117856882054 is 450288658711.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 117856881986 and 117856882004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29464220512 + ... + 29464220515.

It is an arithmetic number, because the mean of its divisors is an integer number (44196330771).

Almost surely, 2^117856882054 is an apocalyptic number.

117856882054 is a deficient number, since it is larger than the sum of its proper divisors (58928441030).

117856882054 is an equidigital number, since it uses as much as digits as its factorization.

117856882054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58928441029.

The product of its (nonzero) digits is 4300800, while the sum is 55.

The spelling of 117856882054 in words is "one hundred seventeen billion, eight hundred fifty-six million, eight hundred eighty-two thousand, fifty-four".