79335253397 has 8 divisors (see below), whose sum is σ = 82083516600. Its totient is φ = 76587827904.

The previous prime is 79335253391. The next prime is 79335253411.

79335253397 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 15503736196 + 63831517201 = 124514^2 + 252649^2 .

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 79335253397 - 2⁴ = 79335253381 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 (79335253391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13622 + ... + 398567.

It is an arithmetic number, because the mean of its divisors is an integer number (10260439575).

Almost surely, 2^79335253397 is an apocalyptic number.

It is an amenable number.

79335253397 is a deficient number, since it is larger than the sum of its proper divisors (2748263203).

79335253397 is a wasteful number, since it uses less digits than its factorization.

79335253397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418855.

The product of its digits is 16074450, while the sum is 56.

The spelling of 79335253397 in words is "seventy-nine billion, three hundred thirty-five million, two hundred fifty-three thousand, three hundred ninety-seven".