28570194232 has 8 divisors (see below), whose sum is σ = 53569114200. Its totient is φ = 14285097112.

The previous prime is 28570194221. The next prime is 28570194253. The reversal of 28570194232 is 23249107582.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1785637132 + ... + 1785637147.

It is an arithmetic number, because the mean of its divisors is an integer number (6696139275).

Almost surely, 2^28570194232 is an apocalyptic number.

It is an amenable number.

28570194232 is a deficient number, since it is larger than the sum of its proper divisors (24998919968).

28570194232 is a wasteful number, since it uses less digits than its factorization.

28570194232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571274285 (or 3571274281 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 28570194232 in words is "twenty-eight billion, five hundred seventy million, one hundred ninety-four thousand, two hundred thirty-two".