28696704000 has 176 divisors, whose sum is σ = 95457276096. Its totient is φ = 7652352000.

The previous prime is 28696703989. The next prime is 28696704011. The reversal of 28696704000 is 40769682.

It is an interprime number because it is at equal distance from previous prime (28696703989) and next prime (28696704011).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346635 + ... + 421365.

Almost surely, 2^28696704000 is an apocalyptic number.

28696704000 is a gapful number since it is divisible by the number (20) 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 28696704000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47728638048).

28696704000 is an abundant number, since it is smaller than the sum of its proper divisors (66760572096).

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

28696704000 is an equidigital number, since it uses as much as digits as its factorization.

28696704000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74769 (or 74741 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 28696704000 in words is "twenty-eight billion, six hundred ninety-six million, seven hundred four thousand".