80287432 has 8 divisors (see below), whose sum is σ = 150538950. Its totient is φ = 40143712.

The previous prime is 80287429. The next prime is 80287433. The reversal of 80287432 is 23478208.

It can be written as a sum of positive squares in only one way, i.e., 49084036 + 31203396 = 7006^2 + 5586^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (80287433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5017957 + ... + 5017972.

Almost surely, 2^80287432 is an apocalyptic number.

It is an amenable number.

80287432 is a deficient number, since it is larger than the sum of its proper divisors (70251518).

80287432 is a wasteful number, since it uses less digits than its factorization.

80287432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10035935 (or 10035931 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 80287432 is about 8960.3254405183. The cubic root of 80287432 is about 431.4023657647.

The spelling of 80287432 in words is "eighty million, two hundred eighty-seven thousand, four hundred thirty-two".