8064778 has 16 divisors (see below), whose sum is σ = 12892320. Its totient is φ = 3772656.

The previous prime is 8064773. The next prime is 8064781. The reversal of 8064778 is 8774608.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8064778.

It is not an unprimeable number, because it can be changed into a prime (8064773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1876 + ... + 4432.

It is an arithmetic number, because the mean of its divisors is an integer number (805770).

Almost surely, 2^8064778 is an apocalyptic number.

8064778 is a deficient number, since it is larger than the sum of its proper divisors (4827542).

8064778 is a wasteful number, since it uses less digits than its factorization.

8064778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 8064778 is about 2839.8552780027. The cubic root of 8064778 is about 200.5383661756.

The spelling of 8064778 in words is "eight million, sixty-four thousand, seven hundred seventy-eight".