28435488004156 has 6 divisors (see below), whose sum is σ = 49762104007280. Its totient is φ = 14217744002076.

The previous prime is 28435488004129. The next prime is 28435488004163. The reversal of 28435488004156 is 65140088453482.

It is a self number, because there is not a number n which added to its sum of digits gives 28435488004156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3554436000516 + ... + 3554436000523.

Almost surely, 2^{28435488004156} is an apocalyptic number.

It is an amenable number.

28435488004156 is a deficient number, since it is larger than the sum of its proper divisors (21326616003124).

28435488004156 is a wasteful number, since it uses less digits than its factorization.

28435488004156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7108872001043 (or 7108872001041 counting only the distinct ones).

The product of its (nonzero) digits is 29491200, while the sum is 58.

The spelling of 28435488004156 in words is "twenty-eight trillion, four hundred thirty-five billion, four hundred eighty-eight million, four thousand, one hundred fifty-six".