79210493828 has 12 divisors (see below), whose sum is σ = 138658347660. Its totient is φ = 39593823072.

The previous prime is 79210493827. The next prime is 79210493867. The reversal of 79210493828 is 82839401297.

It can be written as a sum of positive squares in 2 ways, for example, as 7858467904 + 71352025924 = 88648^2 + 267118^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79210493828.

It is not an unprimeable number, because it can be changed into a prime (79210493827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2840351 + ... + 2868102.

It is an arithmetic number, because the mean of its divisors is an integer number (11554862305).

Almost surely, 2^79210493828 is an apocalyptic number.

It is an amenable number.

79210493828 is a deficient number, since it is larger than the sum of its proper divisors (59447853832).

79210493828 is a wasteful number, since it uses less digits than its factorization.

79210493828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711926 (or 5711924 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 79210493828 in words is "seventy-nine billion, two hundred ten million, four hundred ninety-three thousand, eight hundred twenty-eight".