28602565157089 has 48 divisors (see below), whose sum is σ = 36263370572800. Its totient is φ = 22081889507040.

The previous prime is 28602565157003. The next prime is 28602565157093. The reversal of 28602565157089 is 98075156520682.

It is not a de Polignac number, because 28602565157089 - 2⁷ = 28602565156961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28602565157089.

It is not an unprimeable number, because it can be changed into a prime (28602565157689) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57086542 + ... + 57585400.

Almost surely, 2^{28602565157089} is an apocalyptic number.

It is an amenable number.

28602565157089 is a deficient number, since it is larger than the sum of its proper divisors (7660805415711).

28602565157089 is a wasteful number, since it uses less digits than its factorization.

28602565157089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499514 (or 499503 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 64.

The spelling of 28602565157089 in words is "twenty-eight trillion, six hundred two billion, five hundred sixty-five million, one hundred fifty-seven thousand, eighty-nine".