28600143838 has 32 divisors (see below), whose sum is σ = 49417066944. Its totient is φ = 12160253952.

The previous prime is 28600143833. The next prime is 28600143877. The reversal of 28600143838 is 83834100682.

It is a junction number, because it is equal to n+sod(n) for n = 28600143794 and 28600143803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28600143833) 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, 4049206 + ... + 4056262.

It is an arithmetic number, because the mean of its divisors is an integer number (1544283342).

Almost surely, 2^28600143838 is an apocalyptic number.

28600143838 is a deficient number, since it is larger than the sum of its proper divisors (20816923106).

28600143838 is a wasteful number, since it uses less digits than its factorization.

28600143838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9316.

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 28600143838 in words is "twenty-eight billion, six hundred million, one hundred forty-three thousand, eight hundred thirty-eight".