28812837755836 has 48 divisors (see below), whose sum is σ = 54287572469760. Its totient is φ = 13337589798720.

The previous prime is 28812837755833. The next prime is 28812837755879. The reversal of 28812837755836 is 63855773821882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28812837755831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3740500 + ... + 8462683.

It is an arithmetic number, because the mean of its divisors is an integer number (1130991093120).

Almost surely, 2^{28812837755836} is an apocalyptic number.

It is an amenable number.

28812837755836 is a deficient number, since it is larger than the sum of its proper divisors (25474734713924).

28812837755836 is a wasteful number, since it uses less digits than its factorization.

28812837755836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12203914 (or 12203912 counting only the distinct ones).

The product of its digits is 1083801600, while the sum is 73.

The spelling of 28812837755836 in words is "twenty-eight trillion, eight hundred twelve billion, eight hundred thirty-seven million, seven hundred fifty-five thousand, eight hundred thirty-six".