807866445 has 16 divisors (see below), whose sum is σ = 1292950080. Its totient is φ = 430740864.

The previous prime is 807866443. The next prime is 807866489. The reversal of 807866445 is 544668708.

It is not a de Polignac number, because 807866445 - 2¹ = 807866443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 807866394 and 807866403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (807866443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80602 + ... + 90068.

It is an arithmetic number, because the mean of its divisors is an integer number (80809380).

Almost surely, 2^807866445 is an apocalyptic number.

It is an amenable number.

807866445 is a deficient number, since it is larger than the sum of its proper divisors (485083635).

807866445 is a wasteful number, since it uses less digits than its factorization.

807866445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15164.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The square root of 807866445 is about 28422.9914857673. The cubic root of 807866445 is about 931.3505813317.

The spelling of 807866445 in words is "eight hundred seven million, eight hundred sixty-six thousand, four hundred forty-five".