28675511187357 has 4 divisors (see below), whose sum is σ = 38234014916480. Its totient is φ = 19117007458236.

The previous prime is 28675511187353. The next prime is 28675511187397. The reversal of 28675511187357 is 75378111557682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 28675511187357 - 2² = 28675511187353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28675511187353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4779251864557 + ... + 4779251864562.

It is an arithmetic number, because the mean of its divisors is an integer number (9558503729120).

Almost surely, 2^{28675511187357} is an apocalyptic number.

It is an amenable number.

28675511187357 is a deficient number, since it is larger than the sum of its proper divisors (9558503729123).

28675511187357 is an equidigital number, since it uses as much as digits as its factorization.

28675511187357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9558503729122.

The product of its digits is 98784000, while the sum is 66.

The spelling of 28675511187357 in words is "twenty-eight trillion, six hundred seventy-five billion, five hundred eleven million, one hundred eighty-seven thousand, three hundred fifty-seven".