79435715865 has 16 divisors (see below), whose sum is σ = 138651431616. Its totient is φ = 38514286400.

The previous prime is 79435715851. The next prime is 79435715899. The reversal of 79435715865 is 56851753497.

It is not a de Polignac number, because 79435715865 - 2¹⁴ = 79435699481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79435715799 and 79435715808.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240714126 + ... + 240714455.

It is an arithmetic number, because the mean of its divisors is an integer number (8665714476).

Almost surely, 2^79435715865 is an apocalyptic number.

It is an amenable number.

79435715865 is a deficient number, since it is larger than the sum of its proper divisors (59215715751).

79435715865 is a wasteful number, since it uses less digits than its factorization.

79435715865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481428600.

The product of its digits is 31752000, while the sum is 60.

The spelling of 79435715865 in words is "seventy-nine billion, four hundred thirty-five million, seven hundred fifteen thousand, eight hundred sixty-five".