28357530606 has 24 divisors (see below), whose sum is σ = 61444417320. Its totient is φ = 9452033136.

The previous prime is 28357530601. The next prime is 28357530613. The reversal of 28357530606 is 60603575382.

28357530606 is a `hidden beast` number, since 2 + 8 + 3 + 5 + 7 + 5 + 30 + 606 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28357530601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 653865 + ... + 695883.

It is an arithmetic number, because the mean of its divisors is an integer number (2560184055).

Almost surely, 2^28357530606 is an apocalyptic number.

28357530606 is an abundant number, since it is smaller than the sum of its proper divisors (33086886714).

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

28357530606 is a wasteful number, since it uses less digits than its factorization.

28357530606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79520 (or 79517 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 28357530606 in words is "twenty-eight billion, three hundred fifty-seven million, five hundred thirty thousand, six hundred six".