80481267750 has 128 divisors (see below), whose sum is σ = 221611178880. Its totient is φ = 19327488000.

The previous prime is 80481267739. The next prime is 80481267803. The reversal of 80481267750 is 5776218408.

It is a self number, because there is not a number n which added to its sum of digits gives 80481267750.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 299086 + ... + 500414.

It is an arithmetic number, because the mean of its divisors is an integer number (1731337335).

Almost surely, 2^80481267750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80481267750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110805589440).

80481267750 is an abundant number, since it is smaller than the sum of its proper divisors (141129911130).

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

80481267750 is a wasteful number, since it uses less digits than its factorization.

80481267750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201403 (or 201393 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 80481267750 in words is "eighty billion, four hundred eighty-one million, two hundred sixty-seven thousand, seven hundred fifty".