79709370320 has 20 divisors (see below), whose sum is σ = 185324286180. Its totient is φ = 31883748096.

The previous prime is 79709370311. The next prime is 79709370371. The reversal of 79709370320 is 2307390797.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31059127696 + 48650242624 = 176236^2 + 220568^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498183485 + ... + 498183644.

It is an arithmetic number, because the mean of its divisors is an integer number (9266214309).

Almost surely, 2^79709370320 is an apocalyptic number.

It is an amenable number.

79709370320 is an abundant number, since it is smaller than the sum of its proper divisors (105614915860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79709370320 is a wasteful number, since it uses less digits than its factorization.

79709370320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996367142 (or 996367136 counting only the distinct ones).

The product of its (nonzero) digits is 500094, while the sum is 47.

The spelling of 79709370320 in words is "seventy-nine billion, seven hundred nine million, three hundred seventy thousand, three hundred twenty".