28046665886 has 8 divisors (see below), whose sum is σ = 42076289640. Its totient is φ = 14021236008.

The previous prime is 28046665883. The next prime is 28046665901. The reversal of 28046665886 is 68856664082.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28046665883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031696 + ... + 1058531.

It is an arithmetic number, because the mean of its divisors is an integer number (5259536205).

Almost surely, 2^28046665886 is an apocalyptic number.

28046665886 is a deficient number, since it is larger than the sum of its proper divisors (14029623754).

28046665886 is a wasteful number, since it uses less digits than its factorization.

28046665886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096938.

The product of its (nonzero) digits is 26542080, while the sum is 59.

The spelling of 28046665886 in words is "twenty-eight billion, forty-six million, six hundred sixty-five thousand, eight hundred eighty-six".