9965097254879 has 32 divisors (see below), whose sum is σ = 10848459444480. Its totient is φ = 9098953535232.

The previous prime is 9965097254863. The next prime is 9965097254881. The reversal of 9965097254879 is 9784527905699.

It is a cyclic number.

It is not a de Polignac number, because 9965097254879 - 2⁴ = 9965097254863 is a prime.

It is a super-4 number, since 4×9965097254879⁴ (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9965097254479) 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, 676831412 + ... + 676846134.

It is an arithmetic number, because the mean of its divisors is an integer number (339014357640).

Almost surely, 2^{9965097254879} is an apocalyptic number.

9965097254879 is a deficient number, since it is larger than the sum of its proper divisors (883362189601).

9965097254879 is a wasteful number, since it uses less digits than its factorization.

9965097254879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16199.

The product of its (nonzero) digits is 3086294400, while the sum is 80.

The spelling of 9965097254879 in words is "nine trillion, nine hundred sixty-five billion, ninety-seven million, two hundred fifty-four thousand, eight hundred seventy-nine".