28514324700 has 288 divisors, whose sum is σ = 93357288640. Its totient is φ = 7558272000.

The previous prime is 28514324693. The next prime is 28514324749. The reversal of 28514324700 is 742341582.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 52706430 + ... + 52706970.

Almost surely, 2^28514324700 is an apocalyptic number.

28514324700 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 28514324700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46678644320).

28514324700 is an abundant number, since it is smaller than the sum of its proper divisors (64842963940).

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

28514324700 is a wasteful number, since it uses less digits than its factorization.

28514324700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 28514324700 in words is "twenty-eight billion, five hundred fourteen million, three hundred twenty-four thousand, seven hundred".