804654864 has 160 divisors (see below), whose sum is σ = 2618582400. Its totient is φ = 234524160.

The previous prime is 804654853. The next prime is 804654869. The reversal of 804654864 is 468456408.

804654864 is a `hidden beast` number, since 8 + 0 + 46 + 548 + 64 = 666.

It is not an unprimeable number, because it can be changed into a prime (804654869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102934 + ... + 110474.

It is an arithmetic number, because the mean of its divisors is an integer number (16366140).

Almost surely, 2^804654864 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 804654864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309291200).

804654864 is an abundant number, since it is smaller than the sum of its proper divisors (1813927536).

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

804654864 is a wasteful number, since it uses less digits than its factorization.

804654864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590 (or 7578 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The square root of 804654864 is about 28366.4390433484. The cubic root of 804654864 is about 930.1147829190.

The spelling of 804654864 in words is "eight hundred four million, six hundred fifty-four thousand, eight hundred sixty-four".