28650469859 has 8 divisors (see below), whose sum is σ = 31844776752. Its totient is φ = 25554449440.

The previous prime is 28650469831. The next prime is 28650469891. The reversal of 28650469859 is 95896405682.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28650469859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28650469819) 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, 24571004 + ... + 24572169.

It is an arithmetic number, because the mean of its divisors is an integer number (3980597094).

Almost surely, 2^28650469859 is an apocalyptic number.

28650469859 is a deficient number, since it is larger than the sum of its proper divisors (3194306893).

28650469859 is a wasteful number, since it uses less digits than its factorization.

28650469859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49143237.

The product of its (nonzero) digits is 37324800, while the sum is 62.

The spelling of 28650469859 in words is "twenty-eight billion, six hundred fifty million, four hundred sixty-nine thousand, eight hundred fifty-nine".