28475313030 has 96 divisors (see below), whose sum is σ = 75926017440. Its totient is φ = 7399964160.

The previous prime is 28475313029. The next prime is 28475313067. The reversal of 28475313030 is 3031357482.

28475313030 is a `hidden beast` number, since 28 + 47 + 531 + 30 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3756324 + ... + 3763896.

It is an arithmetic number, because the mean of its divisors is an integer number (790896015).

Almost surely, 2^28475313030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28475313030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37963008720).

28475313030 is an abundant number, since it is smaller than the sum of its proper divisors (47450704410).

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

28475313030 is a wasteful number, since it uses less digits than its factorization.

28475313030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8646 (or 8643 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 28475313030 in words is "twenty-eight billion, four hundred seventy-five million, three hundred thirteen thousand, thirty".