65079939297 has 16 divisors (see below), whose sum is σ = 92366568000. Its totient is φ = 40641283584.

The previous prime is 65079939293. The next prime is 65079939347. The reversal of 65079939297 is 79293997056.

It is a happy number.

It is not a de Polignac number, because 65079939297 - 2² = 65079939293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65079939293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6409272 + ... + 6419417.

It is an arithmetic number, because the mean of its divisors is an integer number (5772910500).

Almost surely, 2^65079939297 is an apocalyptic number.

It is an amenable number.

65079939297 is a deficient number, since it is larger than the sum of its proper divisors (27286628703).

65079939297 is a wasteful number, since it uses less digits than its factorization.

65079939297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12828800.

The product of its (nonzero) digits is 57868020, while the sum is 66.

It can be divided in two parts, 650799 and 39297, that added together give a palindrome (690096).

The spelling of 65079939297 in words is "sixty-five billion, seventy-nine million, nine hundred thirty-nine thousand, two hundred ninety-seven".