28135548422 has 16 divisors (see below), whose sum is σ = 46356053760. Its totient is φ = 12747913992.

The previous prime is 28135548407. The next prime is 28135548433. The reversal of 28135548422 is 22484553182.

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, 16094978 + ... + 16096725.

It is an arithmetic number, because the mean of its divisors is an integer number (2897253360).

Almost surely, 2^28135548422 is an apocalyptic number.

28135548422 is a deficient number, since it is larger than the sum of its proper divisors (18220505338).

28135548422 is a wasteful number, since it uses less digits than its factorization.

28135548422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32191747.

The product of its digits is 614400, while the sum is 44.

The spelling of 28135548422 in words is "twenty-eight billion, one hundred thirty-five million, five hundred forty-eight thousand, four hundred twenty-two".