28545416822 has 64 divisors (see below), whose sum is σ = 50973753600. Its totient is φ = 11861821440.

The previous prime is 28545416819. The next prime is 28545416827. The reversal of 28545416822 is 22861454582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28545416827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1386947 + ... + 1407377.

It is an arithmetic number, because the mean of its divisors is an integer number (796464900).

Almost surely, 2^28545416822 is an apocalyptic number.

28545416822 is a deficient number, since it is larger than the sum of its proper divisors (22428336778).

28545416822 is a wasteful number, since it uses less digits than its factorization.

28545416822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20601.

The product of its digits is 1228800, while the sum is 47.

The spelling of 28545416822 in words is "twenty-eight billion, five hundred forty-five million, four hundred sixteen thousand, eight hundred twenty-two".