809066076 has 48 divisors (see below), whose sum is σ = 2323474944. Its totient is φ = 213379776.

The previous prime is 809066053. The next prime is 809066143. The reversal of 809066076 is 670660908.

It is a happy number.

809066076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369360 + ... + 371543.

It is an arithmetic number, because the mean of its divisors is an integer number (48405728).

Almost surely, 2^809066076 is an apocalyptic number.

It is an amenable number.

809066076 is an abundant number, since it is smaller than the sum of its proper divisors (1514408868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

809066076 is a wasteful number, since it uses less digits than its factorization.

809066076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740930 (or 740928 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 809066076 is about 28444.0868371618. The cubic root of 809066076 is about 931.8113524006.

The spelling of 809066076 in words is "eight hundred nine million, sixty-six thousand, seventy-six".