28626385895 has 8 divisors (see below), whose sum is σ = 35536203360. Its totient is φ = 22111415200.

The previous prime is 28626385889. The next prime is 28626385933. The reversal of 28626385895 is 59858362682.

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

It is not a de Polignac number, because 28626385895 - 2¹² = 28626381799 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, 98711531 + ... + 98711820.

It is an arithmetic number, because the mean of its divisors is an integer number (4442025420).

Almost surely, 2^28626385895 is an apocalyptic number.

28626385895 is a deficient number, since it is larger than the sum of its proper divisors (6909817465).

28626385895 is a wasteful number, since it uses less digits than its factorization.

28626385895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197423385.

The product of its digits is 49766400, while the sum is 62.

The spelling of 28626385895 in words is "twenty-eight billion, six hundred twenty-six million, three hundred eighty-five thousand, eight hundred ninety-five".