117832145977 has 36 divisors (see below), whose sum is σ = 153213198336. Its totient is φ = 90222219360.

The previous prime is 117832145969. The next prime is 117832145987. The reversal of 117832145977 is 779541238711.

It is not a de Polignac number, because 117832145977 - 2³ = 117832145969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117832145957) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27208 + ... + 486214.

It is an arithmetic number, because the mean of its divisors is an integer number (4255922176).

Almost surely, 2^117832145977 is an apocalyptic number.

It is an amenable number.

117832145977 is a deficient number, since it is larger than the sum of its proper divisors (35381052359).

117832145977 is a wasteful number, since it uses less digits than its factorization.

117832145977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459078 (or 459058 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 55.

The spelling of 117832145977 in words is "one hundred seventeen billion, eight hundred thirty-two million, one hundred forty-five thousand, nine hundred seventy-seven".