28489459074 has 16 divisors (see below), whose sum is σ = 56988981120. Its totient is φ = 9494809200.

The previous prime is 28489459057. The next prime is 28489459127. The reversal of 28489459074 is 47095498482.

It is a junction number, because it is equal to n+sod(n) for n = 28489458999 and 28489459017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382234 + ... + 450645.

It is an arithmetic number, because the mean of its divisors is an integer number (3561811320).

Almost surely, 2^28489459074 is an apocalyptic number.

28489459074 is an abundant number, since it is smaller than the sum of its proper divisors (28499522046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28489459074 is a wasteful number, since it uses less digits than its factorization.

28489459074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838585.

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 28489459074 in words is "twenty-eight billion, four hundred eighty-nine million, four hundred fifty-nine thousand, seventy-four".