80439211 has 12 divisors (see below), whose sum is σ = 85281448. Its totient is φ = 75851424.

The previous prime is 80439209. The next prime is 80439239. The reversal of 80439211 is 11293408.

It is a happy number.

It is not a de Polignac number, because 80439211 - 2¹ = 80439209 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80439211.

It is not an unprimeable number, because it can be changed into a prime (80439311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37576 + ... + 39658.

Almost surely, 2^80439211 is an apocalyptic number.

80439211 is a deficient number, since it is larger than the sum of its proper divisors (4842237).

80439211 is a wasteful number, since it uses less digits than its factorization.

80439211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202 (or 2179 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 80439211 is about 8968.7909441574. The cubic root of 80439211 is about 431.6740421678.

The spelling of 80439211 in words is "eighty million, four hundred thirty-nine thousand, two hundred eleven".