5670777728 has 128 divisors (see below), whose sum is σ = 14126918400. Its totient is φ = 2202808320.

The previous prime is 5670777727. The next prime is 5670777799. The reversal of 5670777728 is 8277770765.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5670777727) 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, 4503563 + ... + 4504821.

It is an arithmetic number, because the mean of its divisors is an integer number (110366550).

Almost surely, 2^5670777728 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 5670777728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7063459200).

5670777728 is an abundant number, since it is smaller than the sum of its proper divisors (8456140672).

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

5670777728 is a wasteful number, since it uses less digits than its factorization.

5670777728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748 (or 1736 counting only the distinct ones).

The product of its (nonzero) digits is 8067360, while the sum is 56.

The square root of 5670777728 is about 75304.5664485229. The cubic root of 5670777728 is about 1783.2581121638.

The spelling of 5670777728 in words is "five billion, six hundred seventy million, seven hundred seventy-seven thousand, seven hundred twenty-eight".