117220238192928 has 48 divisors (see below), whose sum is σ = 331372596433536. Its totient is φ = 36067765597440.

The previous prime is 117220238192921. The next prime is 117220238192971. The reversal of 117220238192928 is 829291832022711.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (117220238192921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46963235208 + ... + 46963237703.

It is an arithmetic number, because the mean of its divisors is an integer number (6903595759032).

Almost surely, 2^{117220238192928} is an apocalyptic number.

It is an amenable number.

117220238192928 is an abundant number, since it is smaller than the sum of its proper divisors (214152358240608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117220238192928 is a wasteful number, since it uses less digits than its factorization.

117220238192928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93926472937 (or 93926472929 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 57.

The spelling of 117220238192928 in words is "one hundred seventeen trillion, two hundred twenty billion, two hundred thirty-eight million, one hundred ninety-two thousand, nine hundred twenty-eight".