28564468374 has 32 divisors (see below), whose sum is σ = 61598363904. Its totient is φ = 8778368160.

The previous prime is 28564468369. The next prime is 28564468381. The reversal of 28564468374 is 47386446582.

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 15 ways as a sum of consecutive naturals, for example, 158292 + ... + 286679.

It is an arithmetic number, because the mean of its divisors is an integer number (1924948872).

Almost surely, 2^28564468374 is an apocalyptic number.

28564468374 is an abundant number, since it is smaller than the sum of its proper divisors (33033895530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28564468374 is a wasteful number, since it uses less digits than its factorization.

28564468374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445812.

The product of its digits is 30965760, while the sum is 57.

The spelling of 28564468374 in words is "twenty-eight billion, five hundred sixty-four million, four hundred sixty-eight thousand, three hundred seventy-four".