28923803748 has 108 divisors (see below), whose sum is σ = 85646608320. Its totient is φ = 8062266240.

The previous prime is 28923803717. The next prime is 28923803749. The reversal of 28923803748 is 84730832982.

It is a junction number, because it is equal to n+sod(n) for n = 28923803694 and 28923803703.

It is not an unprimeable number, because it can be changed into a prime (28923803749) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 389473 + ... + 457751.

Almost surely, 2^28923803748 is an apocalyptic number.

28923803748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28923803748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42823304160).

28923803748 is an abundant number, since it is smaller than the sum of its proper divisors (56722804572).

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

28923803748 is a wasteful number, since it uses less digits than its factorization.

28923803748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68378 (or 68332 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 28923803748 in words is "twenty-eight billion, nine hundred twenty-three million, eight hundred three thousand, seven hundred forty-eight".