28585275755576 has 8 divisors (see below), whose sum is σ = 53597392041720. Its totient is φ = 14292637877784.

The previous prime is 28585275755539. The next prime is 28585275755591. The reversal of 28585275755576 is 67555757258582.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 28585275755497 and 28585275755506.

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, 1786579734716 + ... + 1786579734731.

It is an arithmetic number, because the mean of its divisors is an integer number (6699674005215).

Almost surely, 2^{28585275755576} is an apocalyptic number.

It is an amenable number.

28585275755576 is a deficient number, since it is larger than the sum of its proper divisors (25012116286144).

28585275755576 is a wasteful number, since it uses less digits than its factorization.

28585275755576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573159469453 (or 3573159469449 counting only the distinct ones).

The product of its digits is 8232000000, while the sum is 77.

The spelling of 28585275755576 in words is "twenty-eight trillion, five hundred eighty-five billion, two hundred seventy-five million, seven hundred fifty-five thousand, five hundred seventy-six".