28517960426 has 16 divisors (see below), whose sum is σ = 43953410688. Its totient is φ = 13869576000.

The previous prime is 28517960413. The next prime is 28517960431. The reversal of 28517960426 is 62406971582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667250 + ... + 708701.

It is an arithmetic number, because the mean of its divisors is an integer number (2747088168).

Almost surely, 2^28517960426 is an apocalyptic number.

28517960426 is a deficient number, since it is larger than the sum of its proper divisors (15435450262).

28517960426 is a wasteful number, since it uses less digits than its factorization.

28517960426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376237.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 28517960426 in words is "twenty-eight billion, five hundred seventeen million, nine hundred sixty thousand, four hundred twenty-six".