79356465397 has 32 divisors (see below), whose sum is σ = 88309065600. Its totient is φ = 71301795840.

The previous prime is 79356465371. The next prime is 79356465407.

79356465397 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 79356465397 - 2¹⁵ = 79356432629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79356465337) 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 31 ways as a sum of consecutive naturals, for example, 47546479 + ... + 47548147.

It is an arithmetic number, because the mean of its divisors is an integer number (2759658300).

Almost surely, 2^79356465397 is an apocalyptic number.

It is an amenable number.

79356465397 is a deficient number, since it is larger than the sum of its proper divisors (8952600203).

79356465397 is a wasteful number, since it uses less digits than its factorization.

79356465397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098 (or 2076 counting only the distinct ones).

The product of its digits is 128595600, while the sum is 64.

The spelling of 79356465397 in words is "seventy-nine billion, three hundred fifty-six million, four hundred sixty-five thousand, three hundred ninety-seven".