28577368307 has 4 divisors (see below), whose sum is σ = 28691222616. Its totient is φ = 28463514000.

The previous prime is 28577368301. The next prime is 28577368357. The reversal of 28577368307 is 70386377582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28577368307 - 2¹⁶ = 28577302771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28577368301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56926778 + ... + 56927279.

It is an arithmetic number, because the mean of its divisors is an integer number (7172805654).

Almost surely, 2^28577368307 is an apocalyptic number.

28577368307 is a deficient number, since it is larger than the sum of its proper divisors (113854309).

28577368307 is a wasteful number, since it uses less digits than its factorization.

28577368307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113854308.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 28577368307 in words is "twenty-eight billion, five hundred seventy-seven million, three hundred sixty-eight thousand, three hundred seven".