80529997824 has 360 divisors, whose sum is σ = 244745897760. Its totient is φ = 26457145344.

The previous prime is 80529997787. The next prime is 80529997831. The reversal of 80529997824 is 42879992508.

It is a happy number.

80529997824 is a `hidden beast` number, since 80 + 529 + 9 + 9 + 7 + 8 + 24 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449888167 + ... + 449888345.

It is an arithmetic number, because the mean of its divisors is an integer number (679849716).

Almost surely, 2^80529997824 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 80529997824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122372948880).

80529997824 is an abundant number, since it is smaller than the sum of its proper divisors (164215899936).

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

80529997824 is an equidigital number, since it uses as much as digits as its factorization.

80529997824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 80529997824 in words is "eighty billion, five hundred twenty-nine million, nine hundred ninety-seven thousand, eight hundred twenty-four".