28704900863 has 8 divisors (see below), whose sum is σ = 28763771520. Its totient is φ = 28646092440.

The previous prime is 28704900827. The next prime is 28704900871. The reversal of 28704900863 is 36800940782.

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 28704900863 - 2²⁶ = 28637791999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28704900803) 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, 970808 + ... + 999938.

It is an arithmetic number, because the mean of its divisors is an integer number (3595471440).

Almost surely, 2^28704900863 is an apocalyptic number.

28704900863 is a deficient number, since it is larger than the sum of its proper divisors (58870657).

28704900863 is a wasteful number, since it uses less digits than its factorization.

28704900863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31117.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 28704900863 in words is "twenty-eight billion, seven hundred four million, nine hundred thousand, eight hundred sixty-three".