28700603288 has 32 divisors (see below), whose sum is σ = 61511844000. Its totient is φ = 12298148352.

The previous prime is 28700603287. The next prime is 28700603341. The reversal of 28700603288 is 88230600782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28700603287) 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, 310688 + ... + 392336.

It is an arithmetic number, because the mean of its divisors is an integer number (1922245125).

Almost surely, 2^28700603288 is an apocalyptic number.

28700603288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28700603288 is an abundant number, since it is smaller than the sum of its proper divisors (32811240712).

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

28700603288 is a wasteful number, since it uses less digits than its factorization.

28700603288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87939 (or 87935 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 28700603288 in words is "twenty-eight billion, seven hundred million, six hundred three thousand, two hundred eighty-eight".