5728697856 has 120 divisors (see below), whose sum is σ = 18895431984. Its totient is φ = 1636761600.

The previous prime is 5728697801. The next prime is 5728697857. The reversal of 5728697856 is 6587968275.

5728697856 is a `hidden beast` number, since 572 + 8 + 6 + 9 + 7 + 8 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 5728697793 and 5728697802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5728697857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56545 + ... + 121056.

Almost surely, 2^5728697856 is an apocalyptic number.

5728697856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5728697856 is an abundant number, since it is smaller than the sum of its proper divisors (13166734128).

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

5728697856 is a wasteful number, since it uses less digits than its factorization.

5728697856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177632 (or 177613 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 63.

The square root of 5728697856 is about 75688.1619277414. The cubic root of 5728697856 is about 1789.3088325390.

The spelling of 5728697856 in words is "five billion, seven hundred twenty-eight million, six hundred ninety-seven thousand, eight hundred fifty-six".