80352579072 has 80 divisors (see below), whose sum is σ = 214639722000. Its totient is φ = 26712195072.

The previous prime is 80352579067. The next prime is 80352579091. The reversal of 80352579072 is 27097525308.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502804 + ... + 643052.

It is an arithmetic number, because the mean of its divisors is an integer number (2682996525).

Almost surely, 2^80352579072 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 80352579072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107319861000).

80352579072 is an abundant number, since it is smaller than the sum of its proper divisors (134287142928).

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

80352579072 is a wasteful number, since it uses less digits than its factorization.

80352579072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140643 (or 140627 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 80352579072 in words is "eighty billion, three hundred fifty-two million, five hundred seventy-nine thousand, seventy-two".