28854738894200 has 48 divisors (see below), whose sum is σ = 68647436971080. Its totient is φ = 11273479378560.

The previous prime is 28854738894193. The next prime is 28854738894209. The reversal of 28854738894200 is 249883745882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28854738894209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1677592499 + ... + 1677609698.

Almost surely, 2^{28854738894200} is an apocalyptic number.

28854738894200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28854738894200 is an abundant number, since it is smaller than the sum of its proper divisors (39792698076880).

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

28854738894200 is a wasteful number, since it uses less digits than its factorization.

28854738894200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355202256 (or 3355202247 counting only the distinct ones).

The product of its (nonzero) digits is 247726080, while the sum is 68.

The spelling of 28854738894200 in words is "twenty-eight trillion, eight hundred fifty-four billion, seven hundred thirty-eight million, eight hundred ninety-four thousand, two hundred".