80844007 has 4 divisors (see below), whose sum is σ = 81200376. Its totient is φ = 80487640.

The previous prime is 80843989. The next prime is 80844037. The reversal of 80844007 is 70044808.

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 80844007 - 2¹⁵ = 80811239 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80844007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80844037) 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, 177844 + ... + 178297.

It is an arithmetic number, because the mean of its divisors is an integer number (20300094).

Almost surely, 2^80844007 is an apocalyptic number.

80844007 is a deficient number, since it is larger than the sum of its proper divisors (356369).

80844007 is a wasteful number, since it uses less digits than its factorization.

80844007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356368.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 80844007 is about 8991.3295457346. The cubic root of 80844007 is about 432.3969384779.

The spelling of 80844007 in words is "eighty million, eight hundred forty-four thousand, seven".