28873442708 has 12 divisors (see below), whose sum is σ = 55122027072. Its totient is φ = 13124292120.

The previous prime is 28873442707. The next prime is 28873442783. The reversal of 28873442708 is 80724437882.

It is a self number, because there is not a number n which added to its sum of digits gives 28873442708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28873442707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328107260 + ... + 328107347.

It is an arithmetic number, because the mean of its divisors is an integer number (4593502256).

Almost surely, 2^28873442708 is an apocalyptic number.

It is an amenable number.

28873442708 is a deficient number, since it is larger than the sum of its proper divisors (26248584364).

28873442708 is a wasteful number, since it uses less digits than its factorization.

28873442708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656214622 (or 656214620 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 53.

The spelling of 28873442708 in words is "twenty-eight billion, eight hundred seventy-three million, four hundred forty-two thousand, seven hundred eight".