80281872 has 60 divisors (see below), whose sum is σ = 245107824. Its totient is φ = 24327360.

The previous prime is 80281849. The next prime is 80281919. The reversal of 80281872 is 27818208.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23758 + ... + 26925.

Almost surely, 2^80281872 is an apocalyptic number.

It is an amenable number.

80281872 is an abundant number, since it is smaller than the sum of its proper divisors (164825952).

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

80281872 is a wasteful number, since it uses less digits than its factorization.

80281872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50708 (or 50699 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 80281872 is about 8960.0151785586. The cubic root of 80281872 is about 431.3924071595.

The spelling of 80281872 in words is "eighty million, two hundred eighty-one thousand, eight hundred seventy-two".