79662335993 has 4 divisors (see below), whose sum is σ = 81357279360. Its totient is φ = 77967392628.

The previous prime is 79662335983. The next prime is 79662335999. The reversal of 79662335993 is 39953326697.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79662335993 - 2¹² = 79662331897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79662335999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847471613 + ... + 847471706.

It is an arithmetic number, because the mean of its divisors is an integer number (20339319840).

Almost surely, 2^79662335993 is an apocalyptic number.

It is an amenable number.

79662335993 is a deficient number, since it is larger than the sum of its proper divisors (1694943367).

79662335993 is a wasteful number, since it uses less digits than its factorization.

79662335993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694943366.

The product of its digits is 49601160, while the sum is 62.

The spelling of 79662335993 in words is "seventy-nine billion, six hundred sixty-two million, three hundred thirty-five thousand, nine hundred ninety-three".