28830287070 has 320 divisors, whose sum is σ = 90927144000. Its totient is φ = 6490036224.

The previous prime is 28830287069. The next prime is 28830287081. The reversal of 28830287070 is 7078203882.

28830287070 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 5799546 + ... + 5804514.

It is an arithmetic number, because the mean of its divisors is an integer number (284147325).

Almost surely, 2^28830287070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28830287070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45463572000).

28830287070 is an abundant number, since it is smaller than the sum of its proper divisors (62096856930).

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

28830287070 is a wasteful number, since it uses less digits than its factorization.

28830287070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049 (or 5040 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 28830287070 in words is "twenty-eight billion, eight hundred thirty million, two hundred eighty-seven thousand, seventy".