8538800028 has 48 divisors (see below), whose sum is σ = 21783686400. Its totient is φ = 2581734400.

The previous prime is 8538800021. The next prime is 8538800029. The reversal of 8538800028 is 8200088358.

It is a super-2 number, since 2×8538800028² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8538800021) 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, 12768 + ... + 131303.

It is an arithmetic number, because the mean of its divisors is an integer number (453826800).

Almost surely, 2^8538800028 is an apocalyptic number.

It is an amenable number.

8538800028 is an abundant number, since it is smaller than the sum of its proper divisors (13244886372).

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

8538800028 is a wasteful number, since it uses less digits than its factorization.

8538800028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144538 (or 144536 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 8538800028 is about 92405.6276857638. The cubic root of 8538800028 is about 2043.9280994491.

The spelling of 8538800028 in words is "eight billion, five hundred thirty-eight million, eight hundred thousand, twenty-eight".