79729029843 has 16 divisors (see below), whose sum is σ = 109059968640. Its totient is φ = 51792934464.

The previous prime is 79729029659. The next prime is 79729029869. The reversal of 79729029843 is 34892092797.

It is not a de Polignac number, because 79729029843 - 2²² = 79724835539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79729029883) 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, 2174953 + ... + 2211306.

It is an arithmetic number, because the mean of its divisors is an integer number (6816248040).

Almost surely, 2^79729029843 is an apocalyptic number.

79729029843 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

79729029843 is a deficient number, since it is larger than the sum of its proper divisors (29330938797).

79729029843 is a wasteful number, since it uses less digits than its factorization.

79729029843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386418.

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 79729029843 in words is "seventy-nine billion, seven hundred twenty-nine million, twenty-nine thousand, eight hundred forty-three".