117312635782 has 4 divisors (see below), whose sum is σ = 175968953676. Its totient is φ = 58656317890.

The previous prime is 117312635773. The next prime is 117312635831. The reversal of 117312635782 is 287536213711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 287536213711 = 97 ⋅2964290863.

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, 29328158944 + ... + 29328158947.

It is an arithmetic number, because the mean of its divisors is an integer number (43992238419).

Almost surely, 2^117312635782 is an apocalyptic number.

117312635782 is a deficient number, since it is larger than the sum of its proper divisors (58656317894).

117312635782 is an equidigital number, since it uses as much as digits as its factorization.

117312635782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58656317893.

The product of its digits is 423360, while the sum is 46.

The spelling of 117312635782 in words is "one hundred seventeen billion, three hundred twelve million, six hundred thirty-five thousand, seven hundred eighty-two".