28263137200 has 60 divisors (see below), whose sum is σ = 68160624048. Its totient is φ = 11262227200.

The previous prime is 28263137179. The next prime is 28263137257. The reversal of 28263137200 is 273136282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29131 + ... + 239530.

Almost surely, 2^28263137200 is an apocalyptic number.

28263137200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28263137200 is an abundant number, since it is smaller than the sum of its proper divisors (39897486848).

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

28263137200 is a wasteful number, since it uses less digits than its factorization.

28263137200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268942 (or 268931 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 28263137200 in words is "twenty-eight billion, two hundred sixty-three million, one hundred thirty-seven thousand, two hundred".