28922877984 has 1152 divisors, whose sum is σ = 114286878720. Its totient is φ = 6270566400.

The previous prime is 28922877901. The next prime is 28922878013. The reversal of 28922877984 is 48977822982.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 396203772 + ... + 396203844.

It is an arithmetic number, because the mean of its divisors is an integer number (99207360).

Almost surely, 2^28922877984 is an apocalyptic number.

28922877984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28922877984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57143439360).

28922877984 is an abundant number, since it is smaller than the sum of its proper divisors (85364000736).

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

28922877984 is a wasteful number, since it uses less digits than its factorization.

28922877984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 159 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 66.

The spelling of 28922877984 in words is "twenty-eight billion, nine hundred twenty-two million, eight hundred seventy-seven thousand, nine hundred eighty-four".