809476045 has 8 divisors (see below), whose sum is σ = 1110138624. Its totient is φ = 555069264.

The previous prime is 809476033. The next prime is 809476067. The reversal of 809476045 is 540674908.

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 809476045 - 2⁵ = 809476013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 809475992 and 809476010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11563909 + ... + 11563978.

It is an arithmetic number, because the mean of its divisors is an integer number (138767328).

Almost surely, 2^809476045 is an apocalyptic number.

It is an amenable number.

809476045 is a deficient number, since it is larger than the sum of its proper divisors (300662579).

809476045 is a wasteful number, since it uses less digits than its factorization.

809476045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23127899.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 809476045 is about 28451.2925013961. The cubic root of 809476045 is about 931.9687146043.

The spelling of 809476045 in words is "eight hundred nine million, four hundred seventy-six thousand, forty-five".