80289772 has 12 divisors (see below), whose sum is σ = 143775016. Its totient is φ = 39211200.

The previous prime is 80289761. The next prime is 80289773. The reversal of 80289772 is 27798208.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (80289773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233229 + ... + 233572.

Almost surely, 2^80289772 is an apocalyptic number.

It is an amenable number.

80289772 is a deficient number, since it is larger than the sum of its proper divisors (63485244).

80289772 is a wasteful number, since it uses less digits than its factorization.

80289772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466848 (or 466846 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 80289772 is about 8960.4560151814. The cubic root of 80289772 is about 431.4065568388.

The spelling of 80289772 in words is "eighty million, two hundred eighty-nine thousand, seven hundred seventy-two".