80047944 has 48 divisors (see below), whose sum is σ = 217655100. Its totient is φ = 26577024.

The previous prime is 80047907. The next prime is 80047963. The reversal of 80047944 is 44974008.

It can be written as a sum of positive squares in 2 ways, for example, as 78535044 + 1512900 = 8862^2 + 1230^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80047899 and 80047908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17302 + ... + 21434.

Almost surely, 2^80047944 is an apocalyptic number.

It is an amenable number.

80047944 is an abundant number, since it is smaller than the sum of its proper divisors (137607156).

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

80047944 is a wasteful number, since it uses less digits than its factorization.

80047944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414 (or 4407 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 80047944 is about 8946.9516596436. The cubic root of 80047944 is about 430.9729976641.

The spelling of 80047944 in words is "eighty million, forty-seven thousand, nine hundred forty-four".