8164804378 has 16 divisors (see below), whose sum is σ = 12395940480. Its totient is φ = 4033060416.

The previous prime is 8164804367. The next prime is 8164804379. The reversal of 8164804378 is 8734084618.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8164804379) 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, 10543 + ... + 128221.

It is an arithmetic number, because the mean of its divisors is an integer number (774746280).

Almost surely, 2^8164804378 is an apocalyptic number.

8164804378 is a deficient number, since it is larger than the sum of its proper divisors (4231136102).

8164804378 is a wasteful number, since it uses less digits than its factorization.

8164804378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118101.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The square root of 8164804378 is about 90359.3070911901. The cubic root of 8164804378 is about 2013.6404556539.

The spelling of 8164804378 in words is "eight billion, one hundred sixty-four million, eight hundred four thousand, three hundred seventy-eight".