79774743120 has 160 divisors (see below), whose sum is σ = 253036804608. Its totient is φ = 20781625344.

The previous prime is 79774743077. The next prime is 79774743127. The reversal of 79774743120 is 2134747797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79774743127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6276612 + ... + 6289308.

Almost surely, 2^79774743120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79774743120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126518402304).

79774743120 is an abundant number, since it is smaller than the sum of its proper divisors (173262061488).

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

79774743120 is a wasteful number, since it uses less digits than its factorization.

79774743120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13317 (or 13311 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 51.

The spelling of 79774743120 in words is "seventy-nine billion, seven hundred seventy-four million, seven hundred forty-three thousand, one hundred twenty".