28322507084 has 6 divisors (see below), whose sum is σ = 49564387404. Its totient is φ = 14161253540.

The previous prime is 28322507053. The next prime is 28322507089. The reversal of 28322507084 is 48070522382.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28322507089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3540313382 + ... + 3540313389.

It is an arithmetic number, because the mean of its divisors is an integer number (8260731234).

Almost surely, 2^28322507084 is an apocalyptic number.

It is an amenable number.

28322507084 is a deficient number, since it is larger than the sum of its proper divisors (21241880320).

28322507084 is a wasteful number, since it uses less digits than its factorization.

28322507084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7080626775 (or 7080626773 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 28322507084 in words is "twenty-eight billion, three hundred twenty-two million, five hundred seven thousand, eighty-four".