80949824064 has 672 divisors, whose sum is σ = 271421230080. Its totient is φ = 23796799488.

The previous prime is 80949824029. The next prime is 80949824089. The reversal of 80949824064 is 46042894908.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 80949824064.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 292237494 + ... + 292237770.

It is an arithmetic number, because the mean of its divisors is an integer number (403900640).

Almost surely, 2^80949824064 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 80949824064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135710615040).

80949824064 is an abundant number, since it is smaller than the sum of its proper divisors (190471406016).

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

80949824064 is a wasteful number, since it uses less digits than its factorization.

80949824064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 80949824064 in words is "eighty billion, nine hundred forty-nine million, eight hundred twenty-four thousand, sixty-four".