28001481702328 has 16 divisors (see below), whose sum is σ = 52806262461480. Its totient is φ = 13919811712608.

The previous prime is 28001481702263. The next prime is 28001481702329. The reversal of 28001481702328 is 82320718410082.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28001481702329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10116140850 + ... + 10116143617.

Almost surely, 2^{28001481702328} is an apocalyptic number.

It is an amenable number.

28001481702328 is a deficient number, since it is larger than the sum of its proper divisors (24804780759152).

28001481702328 is a wasteful number, since it uses less digits than its factorization.

28001481702328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20232284646 (or 20232284642 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 46.

The spelling of 28001481702328 in words is "twenty-eight trillion, one billion, four hundred eighty-one million, seven hundred two thousand, three hundred twenty-eight".