79756065797 has 8 divisors (see below), whose sum is σ = 79867244160. Its totient is φ = 79644967360.

The previous prime is 79756065793. The next prime is 79756065799.

79756065797 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 79756065797 - 2² = 79756065793 is a prime.

It is a super-2 number, since 2×79756065797² (a number of 23 digits) contains 22 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 (79756065793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2135954 + ... + 2172972.

It is an arithmetic number, because the mean of its divisors is an integer number (9983405520).

Almost surely, 2^79756065797 is an apocalyptic number.

It is an amenable number.

79756065797 is a deficient number, since it is larger than the sum of its proper divisors (111178363).

79756065797 is a wasteful number, since it uses less digits than its factorization.

79756065797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39963.

The product of its (nonzero) digits is 175032900, while the sum is 68.

The spelling of 79756065797 in words is "seventy-nine billion, seven hundred fifty-six million, sixty-five thousand, seven hundred ninety-seven".