80643467 has 8 divisors (see below), whose sum is σ = 85641360. Its totient is φ = 75720960.

The previous prime is 80643463. The next prime is 80643481. The reversal of 80643467 is 76434608.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80643467 - 2² = 80643463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80643467.

It is not an unprimeable number, because it can be changed into a prime (80643463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16634 + ... + 20927.

It is an arithmetic number, because the mean of its divisors is an integer number (10705170).

Almost surely, 2^80643467 is an apocalyptic number.

80643467 is a deficient number, since it is larger than the sum of its proper divisors (4997893).

80643467 is a wasteful number, since it uses less digits than its factorization.

80643467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37693.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 80643467 is about 8980.1707667505. The cubic root of 80643467 is about 432.0391107566.

The spelling of 80643467 in words is "eighty million, six hundred forty-three thousand, four hundred sixty-seven".