117152770827 has 4 divisors (see below), whose sum is σ = 156203694440. Its totient is φ = 78101847216.

The previous prime is 117152770817. The next prime is 117152770831. The reversal of 117152770827 is 728077251711.

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

It is not a de Polignac number, because 117152770827 - 2⁸ = 117152770571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117152770807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19525461802 + ... + 19525461807.

It is an arithmetic number, because the mean of its divisors is an integer number (39050923610).

Almost surely, 2^117152770827 is an apocalyptic number.

117152770827 is a deficient number, since it is larger than the sum of its proper divisors (39050923613).

117152770827 is an equidigital number, since it uses as much as digits as its factorization.

117152770827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39050923612.

The product of its (nonzero) digits is 384160, while the sum is 48.

The spelling of 117152770827 in words is "one hundred seventeen billion, one hundred fifty-two million, seven hundred seventy thousand, eight hundred twenty-seven".