28568036357 has 16 divisors (see below), whose sum is σ = 32746291200. Its totient is φ = 24414137520.

The previous prime is 28568036333. The next prime is 28568036369. The reversal of 28568036357 is 75363086582.

It is a cyclic number.

It is not a de Polignac number, because 28568036357 - 2²⁴ = 28551259141 is a prime.

It is a super-2 number, since 2×28568036357² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28568036299 and 28568036308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28568036317) 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, 8503244 + ... + 8506602.

It is an arithmetic number, because the mean of its divisors is an integer number (2046643200).

Almost surely, 2^28568036357 is an apocalyptic number.

It is an amenable number.

28568036357 is a deficient number, since it is larger than the sum of its proper divisors (4178254843).

28568036357 is a wasteful number, since it uses less digits than its factorization.

28568036357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6616.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 28568036357 in words is "twenty-eight billion, five hundred sixty-eight million, thirty-six thousand, three hundred fifty-seven".