28431748742 has 16 divisors (see below), whose sum is σ = 42847833600. Its totient is φ = 14149243080.

The previous prime is 28431748727. The next prime is 28431748769. The reversal of 28431748742 is 24784713482.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526559 + ... + 578037.

It is an arithmetic number, because the mean of its divisors is an integer number (2677989600).

Almost surely, 2^28431748742 is an apocalyptic number.

28431748742 is a deficient number, since it is larger than the sum of its proper divisors (14416084858).

28431748742 is a wasteful number, since it uses less digits than its factorization.

28431748742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52771.

The product of its digits is 2408448, while the sum is 50.

The spelling of 28431748742 in words is "twenty-eight billion, four hundred thirty-one million, seven hundred forty-eight thousand, seven hundred forty-two".