28107876030 has 64 divisors (see below), whose sum is σ = 72724151808. Its totient is φ = 6911614080.

The previous prime is 28107876029. The next prime is 28107876053. The reversal of 28107876030 is 3067870182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339865 + ... + 414395.

It is an arithmetic number, because the mean of its divisors is an integer number (1136314872).

Almost surely, 2^28107876030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28107876030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36362075904).

28107876030 is an abundant number, since it is smaller than the sum of its proper divisors (44616275778).

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

28107876030 is a wasteful number, since it uses less digits than its factorization.

28107876030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75521.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 28107876030 in words is "twenty-eight billion, one hundred seven million, eight hundred seventy-six thousand, thirty".