802000656 has 80 divisors (see below), whose sum is σ = 2325892800. Its totient is φ = 264563712.

The previous prime is 802000651. The next prime is 802000673. The reversal of 802000656 is 656000208.

802000656 is a `hidden beast` number, since 8 + 0 + 2 + 0 + 0 + 0 + 656 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (802000651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32335 + ... + 51473.

It is an arithmetic number, because the mean of its divisors is an integer number (29073660).

Almost surely, 2^802000656 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 802000656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162946400).

802000656 is an abundant number, since it is smaller than the sum of its proper divisors (1523892144).

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

802000656 is a wasteful number, since it uses less digits than its factorization.

802000656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19253 (or 19241 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 802000656 is about 28319.6160990929. The cubic root of 802000656 is about 929.0909744084.

The spelling of 802000656 in words is "eight hundred two million, six hundred fifty-six", and thus it is an aban number.