28412847078 has 72 divisors (see below), whose sum is σ = 72659154456. Its totient is φ = 7379951040.

The previous prime is 28412847077. The next prime is 28412847091. The reversal of 28412847078 is 87074821482.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28412847078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28412847077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 363775 + ... + 434922.

It is an arithmetic number, because the mean of its divisors is an integer number (1009154923).

Almost surely, 2^28412847078 is an apocalyptic number.

28412847078 is an abundant number, since it is smaller than the sum of its proper divisors (44246307378).

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

28412847078 is a wasteful number, since it uses less digits than its factorization.

28412847078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798738 (or 798720 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 51.

The spelling of 28412847078 in words is "twenty-eight billion, four hundred twelve million, eight hundred forty-seven thousand, seventy-eight".