28750433016 has 32 divisors (see below), whose sum is σ = 71996112000. Its totient is φ = 9567473760.

The previous prime is 28750433011. The next prime is 28750433017. The reversal of 28750433016 is 61033405782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28750433011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985570 + ... + 1014321.

It is an arithmetic number, because the mean of its divisors is an integer number (2249878500).

Almost surely, 2^28750433016 is an apocalyptic number.

It is an amenable number.

28750433016 is an abundant number, since it is smaller than the sum of its proper divisors (43245678984).

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

28750433016 is a wasteful number, since it uses less digits than its factorization.

28750433016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000499 (or 2000495 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

Adding to 28750433016 its reverse (61033405782), we get a palindrome (89783838798).

The spelling of 28750433016 in words is "twenty-eight billion, seven hundred fifty million, four hundred thirty-three thousand, sixteen".