79840707853 has 16 divisors (see below), whose sum is σ = 84884400000. Its totient is φ = 74952585792.

The previous prime is 79840707851. The next prime is 79840707901. The reversal of 79840707853 is 35870704897.

It is a cyclic number.

It is not a de Polignac number, because 79840707853 - 2¹ = 79840707851 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 (79840707851) 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, 1583608 + ... + 1633246.

It is an arithmetic number, because the mean of its divisors is an integer number (5305275000).

Almost surely, 2^79840707853 is an apocalyptic number.

It is an amenable number.

79840707853 is a deficient number, since it is larger than the sum of its proper divisors (5043692147).

79840707853 is a wasteful number, since it uses less digits than its factorization.

79840707853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51204.

The product of its (nonzero) digits is 11854080, while the sum is 58.

The spelling of 79840707853 in words is "seventy-nine billion, eight hundred forty million, seven hundred seven thousand, eight hundred fifty-three".