28606248838 has 4 divisors (see below), whose sum is σ = 42909373260. Its totient is φ = 14303124418.

The previous prime is 28606248809. The next prime is 28606248863. The reversal of 28606248838 is 83884260682.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7151562208 + ... + 7151562211.

It is an arithmetic number, because the mean of its divisors is an integer number (10727343315).

Almost surely, 2^28606248838 is an apocalyptic number.

28606248838 is a deficient number, since it is larger than the sum of its proper divisors (14303124422).

28606248838 is a wasteful number, since it uses less digits than its factorization.

28606248838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14303124421.

The product of its (nonzero) digits is 7077888, while the sum is 55.

The spelling of 28606248838 in words is "twenty-eight billion, six hundred six million, two hundred forty-eight thousand, eight hundred thirty-eight".