79718458743 has 224 divisors, whose sum is σ = 154737741312. Its totient is φ = 39848889600.

The previous prime is 79718458733. The next prime is 79718458747. The reversal of 79718458743 is 34785481797.

79718458743 is a `hidden beast` number, since 7 + 9 + 7 + 1 + 8 + 4 + 587 + 43 = 666.

It is not a de Polignac number, because 79718458743 - 2⁶ = 79718458679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79718458747) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 272076505 + ... + 272076797.

It is an arithmetic number, because the mean of its divisors is an integer number (690793488).

Almost surely, 2^79718458743 is an apocalyptic number.

79718458743 is a deficient number, since it is larger than the sum of its proper divisors (75019282569).

79718458743 is a wasteful number, since it uses less digits than its factorization.

79718458743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 482 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 63.

The spelling of 79718458743 in words is "seventy-nine billion, seven hundred eighteen million, four hundred fifty-eight thousand, seven hundred forty-three".