28064767142 has 4 divisors (see below), whose sum is σ = 42097150716. Its totient is φ = 14032383570.

The previous prime is 28064767127. The next prime is 28064767163. The reversal of 28064767142 is 24176746082.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7016191784 + ... + 7016191787.

It is an arithmetic number, because the mean of its divisors is an integer number (10524287679).

Almost surely, 2^28064767142 is an apocalyptic number.

28064767142 is a deficient number, since it is larger than the sum of its proper divisors (14032383574).

28064767142 is a wasteful number, since it uses less digits than its factorization.

28064767142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14032383573.

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 28064767142 in words is "twenty-eight billion, sixty-four million, seven hundred sixty-seven thousand, one hundred forty-two".