28207374336 has 112 divisors (see below), whose sum is σ = 83572959600. Its totient is φ = 9402384384.

The previous prime is 28207374323. The next prime is 28207374341. The reversal of 28207374336 is 63347370282.

28207374336 is a `hidden beast` number, since 2 + 8 + 207 + 3 + 7 + 433 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28207374291 and 28207374300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157420 + ... + 284948.

Almost surely, 2^28207374336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28207374336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41786479800).

28207374336 is an abundant number, since it is smaller than the sum of its proper divisors (55365585264).

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

28207374336 is an equidigital number, since it uses as much as digits as its factorization.

28207374336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127564 (or 127534 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

It can be divided in two parts, 282073 and 74336, that added together give a square (356409 = 597²).

The spelling of 28207374336 in words is "twenty-eight billion, two hundred seven million, three hundred seventy-four thousand, three hundred thirty-six".