27828267043800 has 48 divisors (see below), whose sum is σ = 86267627837640. Its totient is φ = 7420871211520.

The previous prime is 27828267043789. The next prime is 27828267043883. The reversal of 27828267043800 is 834076282872.

It is a super-2 number, since 2×27828267043800² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23190221937 + ... + 23190223136.

Almost surely, 2^{27828267043800} is an apocalyptic number.

27828267043800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27828267043800 is an abundant number, since it is smaller than the sum of its proper divisors (58439360793840).

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

27828267043800 is a wasteful number, since it uses less digits than its factorization.

27828267043800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46380445092 (or 46380445083 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 57.

The spelling of 27828267043800 in words is "twenty-seven trillion, eight hundred twenty-eight billion, two hundred sixty-seven million, forty-three thousand, eight hundred".