28865282685 has 64 divisors (see below), whose sum is σ = 50386613760. Its totient is φ = 14053253120.

The previous prime is 28865282671. The next prime is 28865282707. The reversal of 28865282685 is 58628256882.

It is not a de Polignac number, because 28865282685 - 2¹¹ = 28865280637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1800736 + ... + 1816694.

It is an arithmetic number, because the mean of its divisors is an integer number (787290840).

Almost surely, 2^28865282685 is an apocalyptic number.

It is an amenable number.

28865282685 is a deficient number, since it is larger than the sum of its proper divisors (21521331075).

28865282685 is a wasteful number, since it uses less digits than its factorization.

28865282685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16198.

The product of its digits is 29491200, while the sum is 60.

The spelling of 28865282685 in words is "twenty-eight billion, eight hundred sixty-five million, two hundred eighty-two thousand, six hundred eighty-five".