965117838 has 8 divisors (see below), whose sum is σ = 1930235688. Its totient is φ = 321705944.

The previous prime is 965117837. The next prime is 965117861. The reversal of 965117838 is 838711569.

965117838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

965117838 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (965117833) 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, 80426481 + ... + 80426492.

It is an arithmetic number, because the mean of its divisors is an integer number (241279461).

Almost surely, 2^965117838 is an apocalyptic number.

965117838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

965117838 is a wasteful number, since it uses less digits than its factorization.

965117838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160852978.

The product of its digits is 362880, while the sum is 48.

The square root of 965117838 is about 31066.3457458389. The cubic root of 965117838 is about 988.2347340387.

The spelling of 965117838 in words is "nine hundred sixty-five million, one hundred seventeen thousand, eight hundred thirty-eight".