28107523026 has 192 divisors, whose sum is σ = 69568761600. Its totient is φ = 8128512000.

The previous prime is 28107523001. The next prime is 28107523043. The reversal of 28107523026 is 62032570182.

28107523026 is a `hidden beast` number, since 2 + 8 + 107 + 523 + 0 + 26 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 62600050 + ... + 62600498.

It is an arithmetic number, because the mean of its divisors is an integer number (362337300).

Almost surely, 2^28107523026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28107523026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34784380800).

28107523026 is an abundant number, since it is smaller than the sum of its proper divisors (41461238574).

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

28107523026 is a wasteful number, since it uses less digits than its factorization.

28107523026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 670 counting only the distinct ones).

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

The spelling of 28107523026 in words is "twenty-eight billion, one hundred seven million, five hundred twenty-three thousand, twenty-six".