28513502955836 has 12 divisors (see below), whose sum is σ = 49898673307728. Its totient is φ = 14256739153632.

The previous prime is 28513502955781. The next prime is 28513502955841. The reversal of 28513502955836 is 63855920531582.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 3863945 + ... + 8482751.

It is an arithmetic number, because the mean of its divisors is an integer number (4158222775644).

Almost surely, 2^{28513502955836} is an apocalyptic number.

It is an amenable number.

28513502955836 is a deficient number, since it is larger than the sum of its proper divisors (21385170351892).

28513502955836 is a wasteful number, since it uses less digits than its factorization.

28513502955836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6162148 (or 6162146 counting only the distinct ones).

The product of its (nonzero) digits is 77760000, while the sum is 62.

The spelling of 28513502955836 in words is "twenty-eight trillion, five hundred thirteen billion, five hundred two million, nine hundred fifty-five thousand, eight hundred thirty-six".