80842667 has 4 divisors (see below), whose sum is σ = 85598136. Its totient is φ = 76087200.

The previous prime is 80842661. The next prime is 80842711. The reversal of 80842667 is 76624808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80842667 - 2⁴ = 80842651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80842661) 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, 2377709 + ... + 2377742.

It is an arithmetic number, because the mean of its divisors is an integer number (21399534).

Almost surely, 2^80842667 is an apocalyptic number.

80842667 is a deficient number, since it is larger than the sum of its proper divisors (4755469).

80842667 is a wasteful number, since it uses less digits than its factorization.

80842667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755468.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 80842667 is about 8991.2550291936. The cubic root of 80842667 is about 432.3945494527.

The spelling of 80842667 in words is "eighty million, eight hundred forty-two thousand, six hundred sixty-seven".