28768467885 has 8 divisors (see below), whose sum is σ = 46029548640. Its totient is φ = 15343182864.

The previous prime is 28768467877. The next prime is 28768467899. The reversal of 28768467885 is 58876486782.

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

It is not a de Polignac number, because 28768467885 - 2³ = 28768467877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958948915 + ... + 958948944.

It is an arithmetic number, because the mean of its divisors is an integer number (5753693580).

Almost surely, 2^28768467885 is an apocalyptic number.

It is an amenable number.

28768467885 is a deficient number, since it is larger than the sum of its proper divisors (17261080755).

28768467885 is a wasteful number, since it uses less digits than its factorization.

28768467885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917897867.

The product of its digits is 289013760, while the sum is 69.

The spelling of 28768467885 in words is "twenty-eight billion, seven hundred sixty-eight million, four hundred sixty-seven thousand, eight hundred eighty-five".