79826729308 has 48 divisors (see below), whose sum is σ = 143125032960. Its totient is φ = 38945058624.

The previous prime is 79826729291. The next prime is 79826729317. The reversal of 79826729308 is 80392762897.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19312410 + ... + 19316542.

It is an arithmetic number, because the mean of its divisors is an integer number (2981771520).

Almost surely, 2^79826729308 is an apocalyptic number.

It is an amenable number.

79826729308 is a deficient number, since it is larger than the sum of its proper divisors (63298303652).

79826729308 is a wasteful number, since it uses less digits than its factorization.

79826729308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786 (or 4784 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 79826729308 in words is "seventy-nine billion, eight hundred twenty-six million, seven hundred twenty-nine thousand, three hundred eight".