860478556 has 12 divisors (see below), whose sum is σ = 1720957168. Its totient is φ = 368776512.

The previous prime is 860478551. The next prime is 860478557. The reversal of 860478556 is 655874068.

860478556 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860478551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15365661 + ... + 15365716.

Almost surely, 2^860478556 is an apocalyptic number.

It is an amenable number.

860478556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

860478556 is a wasteful number, since it uses less digits than its factorization.

860478556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30731388 (or 30731386 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The square root of 860478556 is about 29333.9147745404. The cubic root of 860478556 is about 951.1449007298.

The spelling of 860478556 in words is "eight hundred sixty million, four hundred seventy-eight thousand, five hundred fifty-six".