80459847 has 12 divisors (see below), whose sum is σ = 125159944. Its totient is φ = 49513680.

The previous prime is 80459809. The next prime is 80459857. The reversal of 80459847 is 74895408.

It is not a de Polignac number, because 80459847 - 2¹⁴ = 80443463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80459857) 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, 343729 + ... + 343962.

Almost surely, 2^80459847 is an apocalyptic number.

80459847 is a deficient number, since it is larger than the sum of its proper divisors (44700097).

80459847 is a wasteful number, since it uses less digits than its factorization.

80459847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687710 (or 687707 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 80459847 is about 8969.9413041558. The cubic root of 80459847 is about 431.7109531211.

The spelling of 80459847 in words is "eighty million, four hundred fifty-nine thousand, eight hundred forty-seven".