806544007 has 4 divisors (see below), whose sum is σ = 807117840. Its totient is φ = 805970176.

The previous prime is 806543987. The next prime is 806544023. The reversal of 806544007 is 700445608.

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 806544007 - 2¹⁵ = 806511239 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 (806584007) 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, 284803 + ... + 287620.

It is an arithmetic number, because the mean of its divisors is an integer number (201779460).

Almost surely, 2^806544007 is an apocalyptic number.

806544007 is a deficient number, since it is larger than the sum of its proper divisors (573833).

806544007 is a wasteful number, since it uses less digits than its factorization.

806544007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573832.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 806544007 is about 28399.7184317028. The cubic root of 806544007 is about 930.8421119464.

The spelling of 806544007 in words is "eight hundred six million, five hundred forty-four thousand, seven".