28739867126016 has 144 divisors (see below), whose sum is σ = 81091362533888. Its totient is φ = 9020359065600.

The previous prime is 28739867125999. The next prime is 28739867126149. The reversal of 28739867126016 is 61062176893782.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15431965 + ... + 17193756.

Almost surely, 2^{28739867126016} is an apocalyptic number.

It is an amenable number.

28739867126016 is an abundant number, since it is smaller than the sum of its proper divisors (52351495407872).

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

28739867126016 is a wasteful number, since it uses less digits than its factorization.

28739867126016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32625808 (or 32625794 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 28739867126016 in words is "twenty-eight trillion, seven hundred thirty-nine billion, eight hundred sixty-seven million, one hundred twenty-six thousand, sixteen".