28418686061 has 8 divisors (see below), whose sum is σ = 30179137920. Its totient is φ = 26684707392.

The previous prime is 28418686013. The next prime is 28418686067. The reversal of 28418686061 is 16068681482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28418686061 - 2¹⁴ = 28418669677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28418686067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6616085 + ... + 6620378.

It is an arithmetic number, because the mean of its divisors is an integer number (3772392240).

Almost surely, 2^28418686061 is an apocalyptic number.

It is an amenable number.

28418686061 is a deficient number, since it is larger than the sum of its proper divisors (1760451859).

28418686061 is a wasteful number, since it uses less digits than its factorization.

28418686061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13236595.

The product of its (nonzero) digits is 884736, while the sum is 50.

The spelling of 28418686061 in words is "twenty-eight billion, four hundred eighteen million, six hundred eighty-six thousand, sixty-one".