28028003351 has 4 divisors (see below), whose sum is σ = 28028339400. Its totient is φ = 28027667304.

The previous prime is 28028003327. The next prime is 28028003369. The reversal of 28028003351 is 15330082082.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28028003351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28028003551) 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, 62585 + ... + 244893.

It is an arithmetic number, because the mean of its divisors is an integer number (7007084850).

Almost surely, 2^28028003351 is an apocalyptic number.

28028003351 is a deficient number, since it is larger than the sum of its proper divisors (336049).

28028003351 is a wasteful number, since it uses less digits than its factorization.

28028003351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336048.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 28028003351 in words is "twenty-eight billion, twenty-eight million, three thousand, three hundred fifty-one".