28545602057 has 8 divisors (see below), whose sum is σ = 32677295616. Its totient is φ = 24427346112.

The previous prime is 28545602053. The next prime is 28545602069. The reversal of 28545602057 is 75020654582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28545602057 - 2² = 28545602053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28545601999 and 28545602017.

It is not an unprimeable number, because it can be changed into a prime (28545602051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3354848 + ... + 3363345.

It is an arithmetic number, because the mean of its divisors is an integer number (4084661952).

Almost surely, 2^28545602057 is an apocalyptic number.

It is an amenable number.

28545602057 is a deficient number, since it is larger than the sum of its proper divisors (4131693559).

28545602057 is an equidigital number, since it uses as much as digits as its factorization.

28545602057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6718807.

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 28545602057 in words is "twenty-eight billion, five hundred forty-five million, six hundred two thousand, fifty-seven".