28507170483 has 32 divisors (see below), whose sum is σ = 46081728000. Its totient is φ = 17273498400.

The previous prime is 28507170469. The next prime is 28507170509. The reversal of 28507170483 is 38407170582.

It is not a de Polignac number, because 28507170483 - 2⁵ = 28507170451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28507170413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2462593 + ... + 2474141.

It is an arithmetic number, because the mean of its divisors is an integer number (1440054000).

Almost surely, 2^28507170483 is an apocalyptic number.

28507170483 is a deficient number, since it is larger than the sum of its proper divisors (17574557517).

28507170483 is a wasteful number, since it uses less digits than its factorization.

28507170483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19880 (or 19874 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

Subtracting 28507170483 from its reverse (38407170582), we obtain a palindrome (9900000099).

The spelling of 28507170483 in words is "twenty-eight billion, five hundred seven million, one hundred seventy thousand, four hundred eighty-three".