28904474577486 has 16 divisors (see below), whose sum is σ = 57817855248768. Its totient is φ = 9633340510200.

The previous prime is 28904474577457. The next prime is 28904474577523. The reversal of 28904474577486 is 68477547440982.

It is a congruent number.

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, 371045050 + ... + 371122941.

It is an arithmetic number, because the mean of its divisors is an integer number (3613615953048).

Almost surely, 2^{28904474577486} is an apocalyptic number.

28904474577486 is an abundant number, since it is smaller than the sum of its proper divisors (28913380671282).

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

28904474577486 is a wasteful number, since it uses less digits than its factorization.

28904474577486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742174487.

The product of its (nonzero) digits is 3034644480, while the sum is 75.

The spelling of 28904474577486 in words is "twenty-eight trillion, nine hundred four billion, four hundred seventy-four million, five hundred seventy-seven thousand, four hundred eighty-six".