28136852616 has 16 divisors (see below), whose sum is σ = 70342131600. Its totient is φ = 9378950864.

The previous prime is 28136852551. The next prime is 28136852651. The reversal of 28136852616 is 61625863182.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586184406 + ... + 586184453.

It is an arithmetic number, because the mean of its divisors is an integer number (4396383225).

Almost surely, 2^28136852616 is an apocalyptic number.

It is an amenable number.

28136852616 is an abundant number, since it is smaller than the sum of its proper divisors (42205278984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28136852616 is a wasteful number, since it uses less digits than its factorization.

28136852616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172368868 (or 1172368864 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The spelling of 28136852616 in words is "twenty-eight billion, one hundred thirty-six million, eight hundred fifty-two thousand, six hundred sixteen".