28125030276 has 120 divisors (see below), whose sum is σ = 84406192640. Its totient is φ = 7999544448.

The previous prime is 28125030229. The next prime is 28125030287. The reversal of 28125030276 is 67203052182.

28125030276 is a `hidden beast` number, since 2 + 81 + 2 + 503 + 0 + 2 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28125030276.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 477960 + ... + 533568.

Almost surely, 2^28125030276 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 28125030276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42203096320).

28125030276 is an abundant number, since it is smaller than the sum of its proper divisors (56281162364).

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

28125030276 is a wasteful number, since it uses less digits than its factorization.

28125030276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55855 (or 55844 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 28125030276 in words is "twenty-eight billion, one hundred twenty-five million, thirty thousand, two hundred seventy-six".