80810944704 has 504 divisors, whose sum is σ = 289555285760. Its totient is φ = 21858522624.

The previous prime is 80810944703. The next prime is 80810944757. The reversal of 80810944704 is 40744901808.

80810944704 is a `hidden beast` number, since 80 + 8 + 10 + 94 + 470 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a self number, because there is not a number n which added to its sum of digits gives 80810944704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80810944703) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 55846509 + ... + 55847955.

Almost surely, 2^80810944704 is an apocalyptic number.

80810944704 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80810944704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144777642880).

80810944704 is an abundant number, since it is smaller than the sum of its proper divisors (208744341056).

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

80810944704 is an equidigital number, since it uses as much as digits as its factorization.

80810944704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1478 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 80810944704 in words is "eighty billion, eight hundred ten million, nine hundred forty-four thousand, seven hundred four".