117160978947 has 32 divisors (see below), whose sum is σ = 178158309120. Its totient is φ = 68024033280.

The previous prime is 117160978931. The next prime is 117160978967. The reversal of 117160978947 is 749879061711.

It is not a de Polignac number, because 117160978947 - 2⁴ = 117160978931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117160978967) 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, 1364254 + ... + 1447587.

It is an arithmetic number, because the mean of its divisors is an integer number (5567447160).

Almost surely, 2^117160978947 is an apocalyptic number.

117160978947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

117160978947 is a deficient number, since it is larger than the sum of its proper divisors (60997330173).

117160978947 is a wasteful number, since it uses less digits than its factorization.

117160978947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811923.

The product of its (nonzero) digits is 5334336, while the sum is 60.

The spelling of 117160978947 in words is "one hundred seventeen billion, one hundred sixty million, nine hundred seventy-eight thousand, nine hundred forty-seven".