80345851 has 8 divisors (see below), whose sum is σ = 84693200. Its totient is φ = 76010400.

The previous prime is 80345821. The next prime is 80345873. The reversal of 80345851 is 15854308.

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 80345851 - 2⁵ = 80345819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80345821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13201 + ... + 18301.

It is an arithmetic number, because the mean of its divisors is an integer number (10586650).

Almost surely, 2^80345851 is an apocalyptic number.

80345851 is a deficient number, since it is larger than the sum of its proper divisors (4347349).

80345851 is a wasteful number, since it uses less digits than its factorization.

80345851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5949.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 80345851 is about 8963.5847181806. The cubic root of 80345851 is about 431.5069731904.

The spelling of 80345851 in words is "eighty million, three hundred forty-five thousand, eight hundred fifty-one".