28395341856 has 120 divisors (see below), whose sum is σ = 95439960000. Its totient is φ = 8112949632.

The previous prime is 28395341809. The next prime is 28395341857. The reversal of 28395341856 is 65814359382.

28395341856 is a `hidden beast` number, since 28 + 3 + 9 + 534 + 1 + 85 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (28395341857) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 764356 + ... + 800643.

It is an arithmetic number, because the mean of its divisors is an integer number (795333000).

Almost surely, 2^28395341856 is an apocalyptic number.

It is an amenable number.

28395341856 is an abundant number, since it is smaller than the sum of its proper divisors (67044618144).

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

28395341856 is a wasteful number, since it uses less digits than its factorization.

28395341856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565028 (or 1565011 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 28395341856 in words is "twenty-eight billion, three hundred ninety-five million, three hundred forty-one thousand, eight hundred fifty-six".