800754660 has 120 divisors (see below), whose sum is σ = 2621336256. Its totient is φ = 204240960.

The previous prime is 800754659. The next prime is 800754673. The reversal of 800754660 is 66457008.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26515 + ... + 48005.

Almost surely, 2^800754660 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 800754660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310668128).

800754660 is an abundant number, since it is smaller than the sum of its proper divisors (1820581596).

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

800754660 is a wasteful number, since it uses less digits than its factorization.

800754660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21535 (or 21524 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 800754660 is about 28297.6087328947. The cubic root of 800754660 is about 928.6095767703.

The spelling of 800754660 in words is "eight hundred million, seven hundred fifty-four thousand, six hundred sixty".