28748878342 has 16 divisors (see below), whose sum is σ = 43766875152. Its totient is φ = 14161404960.

The previous prime is 28748878339. The next prime is 28748878423. The reversal of 28748878342 is 24387884782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332373 + ... + 409840.

It is an arithmetic number, because the mean of its divisors is an integer number (2735429697).

Almost surely, 2^28748878342 is an apocalyptic number.

28748878342 is a deficient number, since it is larger than the sum of its proper divisors (15017996810).

28748878342 is a wasteful number, since it uses less digits than its factorization.

28748878342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742503.

The product of its digits is 38535168, while the sum is 61.

The spelling of 28748878342 in words is "twenty-eight billion, seven hundred forty-eight million, eight hundred seventy-eight thousand, three hundred forty-two".