805447070319 has 16 divisors (see below), whose sum is σ = 1077113103840. Its totient is φ = 535374376320.

The previous prime is 805447070287. The next prime is 805447070321. The reversal of 805447070319 is 913070744508.

It is a happy number.

It is not a de Polignac number, because 805447070319 - 2⁵ = 805447070287 is a prime.

It is a super-2 number, since 2×805447070319² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805447070359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1971889 + ... + 2345045.

It is an arithmetic number, because the mean of its divisors is an integer number (67319568990).

Almost surely, 2^805447070319 is an apocalyptic number.

805447070319 is a deficient number, since it is larger than the sum of its proper divisors (271666033521).

805447070319 is a wasteful number, since it uses less digits than its factorization.

805447070319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375290.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 805447070319 in words is "eight hundred five billion, four hundred forty-seven million, seventy thousand, three hundred nineteen".