28412888047772 has 12 divisors (see below), whose sum is σ = 51437124914280. Its totient is φ = 13716566643696.

The previous prime is 28412888047759. The next prime is 28412888047799. The reversal of 28412888047772 is 27774088821482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122469344918 + ... + 122469345149.

It is an arithmetic number, because the mean of its divisors is an integer number (4286427076190).

Almost surely, 2^{28412888047772} is an apocalyptic number.

It is an amenable number.

28412888047772 is a deficient number, since it is larger than the sum of its proper divisors (23024236866508).

28412888047772 is a wasteful number, since it uses less digits than its factorization.

28412888047772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244938690100 (or 244938690098 counting only the distinct ones).

The product of its (nonzero) digits is 179830784, while the sum is 68.

The spelling of 28412888047772 in words is "twenty-eight trillion, four hundred twelve billion, eight hundred eighty-eight million, forty-seven thousand, seven hundred seventy-two".