804678888 has 64 divisors (see below), whose sum is σ = 2169941760. Its totient is φ = 247193856.

The previous prime is 804678883. The next prime is 804678893. The reversal of 804678888 is 888876408.

It is an interprime number because it is at equal distance from previous prime (804678883) and next prime (804678893).

It is a super-2 number, since 2×804678888² = 1295016225585833088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (804678881) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 234481 + ... + 237887.

It is an arithmetic number, because the mean of its divisors is an integer number (33905340).

Almost surely, 2^804678888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804678888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1084970880).

804678888 is an abundant number, since it is smaller than the sum of its proper divisors (1365262872).

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

804678888 is a wasteful number, since it uses less digits than its factorization.

804678888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186 (or 4182 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 57.

The square root of 804678888 is about 28366.8624983448. The cubic root of 804678888 is about 930.1240394156.

The spelling of 804678888 in words is "eight hundred four million, six hundred seventy-eight thousand, eight hundred eighty-eight".