28002559145806 has 48 divisors (see below), whose sum is σ = 51738780735936. Its totient is φ = 11294503632384.

The previous prime is 28002559145761. The next prime is 28002559145837. The reversal of 28002559145806 is 60854195520082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29194506 + ... + 30138418.

It is an arithmetic number, because the mean of its divisors is an integer number (1077891265332).

Almost surely, 2^{28002559145806} is an apocalyptic number.

28002559145806 is a deficient number, since it is larger than the sum of its proper divisors (23736221590130).

28002559145806 is a wasteful number, since it uses less digits than its factorization.

28002559145806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961753 (or 961746 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 55.

The spelling of 28002559145806 in words is "twenty-eight trillion, two billion, five hundred fifty-nine million, one hundred forty-five thousand, eight hundred six".