8027512728 has 32 divisors (see below), whose sum is σ = 20132109360. Its totient is φ = 2667393920.

The previous prime is 8027512723. The next prime is 8027512729. The reversal of 8027512728 is 8272157208.

It is a self number, because there is not a number n which added to its sum of digits gives 8027512728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8027512723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519963 + ... + 535178.

Almost surely, 2^8027512728 is an apocalyptic number.

It is an amenable number.

8027512728 is an abundant number, since it is smaller than the sum of its proper divisors (12104596632).

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

8027512728 is a wasteful number, since it uses less digits than its factorization.

8027512728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055467 (or 1055463 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 8027512728 is about 89596.3879182638. The cubic root of 8027512728 is about 2002.2901040442.

The spelling of 8027512728 in words is "eight billion, twenty-seven million, five hundred twelve thousand, seven hundred twenty-eight".