80056813 has 8 divisors (see below), whose sum is σ = 83627136. Its totient is φ = 76494000.

The previous prime is 80056811. The next prime is 80056819. The reversal of 80056813 is 31865008.

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 80056813 - 2¹ = 80056811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80056811) 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, 41163 + ... + 43063.

It is an arithmetic number, because the mean of its divisors is an integer number (10453392).

Almost surely, 2^80056813 is an apocalyptic number.

It is an amenable number.

80056813 is a deficient number, since it is larger than the sum of its proper divisors (3570323).

80056813 is a wasteful number, since it uses less digits than its factorization.

80056813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 80056813 is about 8947.4472895905. The cubic root of 80056813 is about 430.9889137854.

The spelling of 80056813 in words is "eighty million, fifty-six thousand, eight hundred thirteen".