28756738342 has 16 divisors (see below), whose sum is σ = 44192257200. Its totient is φ = 14026066560.

The previous prime is 28756738313. The next prime is 28756738363. The reversal of 28756738342 is 24383765782.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030834 + ... + 1058362.

It is an arithmetic number, because the mean of its divisors is an integer number (2762016075).

Almost surely, 2^28756738342 is an apocalyptic number.

28756738342 is a deficient number, since it is larger than the sum of its proper divisors (15435518858).

28756738342 is a wasteful number, since it uses less digits than its factorization.

28756738342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40311.

The product of its digits is 13547520, while the sum is 55.

The spelling of 28756738342 in words is "twenty-eight billion, seven hundred fifty-six million, seven hundred thirty-eight thousand, three hundred forty-two".