28943800704 has 768 divisors, whose sum is σ = 110270160000. Its totient is φ = 7070810112.

The previous prime is 28943800679. The next prime is 28943800729. The reversal of 28943800704 is 40700834982.

It is an interprime number because it is at equal distance from previous prime (28943800679) and next prime (28943800729).

It is a self number, because there is not a number n which added to its sum of digits gives 28943800704.

It is a congruent number.

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, 194253622 + ... + 194253770.

Almost surely, 2^28943800704 is an apocalyptic number.

28943800704 is a gapful number since it is divisible by the number (24) 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 28943800704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55135080000).

28943800704 is an abundant number, since it is smaller than the sum of its proper divisors (81326359296).

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

28943800704 is a wasteful number, since it uses less digits than its factorization.

28943800704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 28943800704 in words is "twenty-eight billion, nine hundred forty-three million, eight hundred thousand, seven hundred four".