79662387679 has 16 divisors (see below), whose sum is σ = 95028139008. Its totient is φ = 65294678592.

The previous prime is 79662387677. The next prime is 79662387689. The reversal of 79662387679 is 97678326697.

It is a cyclic number.

It is not a de Polignac number, because 79662387679 - 2¹ = 79662387677 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 (79662387677) 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, 512139 + ... + 649315.

It is an arithmetic number, because the mean of its divisors is an integer number (5939258688).

Almost surely, 2^79662387679 is an apocalyptic number.

79662387679 is a deficient number, since it is larger than the sum of its proper divisors (15365751329).

79662387679 is a wasteful number, since it uses less digits than its factorization.

79662387679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140814.

The product of its digits is 288054144, while the sum is 70.

The spelling of 79662387679 in words is "seventy-nine billion, six hundred sixty-two million, three hundred eighty-seven thousand, six hundred seventy-nine".