28107674826 has 64 divisors (see below), whose sum is σ = 70380195840. Its totient is φ = 7270119360.

The previous prime is 28107674809. The next prime is 28107674827. The reversal of 28107674826 is 62847670182.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28107674827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16861 + ... + 237696.

It is an arithmetic number, because the mean of its divisors is an integer number (1099690560).

Almost surely, 2^28107674826 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28107674826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35190097920).

28107674826 is an abundant number, since it is smaller than the sum of its proper divisors (42272521014).

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

28107674826 is a wasteful number, since it uses less digits than its factorization.

28107674826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254819.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 28107674826 in words is "twenty-eight billion, one hundred seven million, six hundred seventy-four thousand, eight hundred twenty-six".