28134306079800 has 48 divisors (see below), whose sum is σ = 87216348849240. Its totient is φ = 7502481621120.

The previous prime is 28134306079793. The next prime is 28134306079813. The reversal of 28134306079800 is 897060343182.

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, 23445254467 + ... + 23445255666.

Almost surely, 2^{28134306079800} is an apocalyptic number.

28134306079800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28134306079800 is an abundant number, since it is smaller than the sum of its proper divisors (59082042769440).

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

28134306079800 is a wasteful number, since it uses less digits than its factorization.

28134306079800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46890510152 (or 46890510143 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 28134306079800 in words is "twenty-eight trillion, one hundred thirty-four billion, three hundred six million, seventy-nine thousand, eight hundred".