28751366352 has 80 divisors (see below), whose sum is σ = 78216104960. Its totient is φ = 9075597696.

The previous prime is 28751366311. The next prime is 28751366359. The reversal of 28751366352 is 25366315782.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28751366359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2879673 + ... + 2889639.

It is an arithmetic number, because the mean of its divisors is an integer number (977701312).

Almost surely, 2^28751366352 is an apocalyptic number.

It is an amenable number.

28751366352 is an abundant number, since it is smaller than the sum of its proper divisors (49464738608).

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

28751366352 is a wasteful number, since it uses less digits than its factorization.

28751366352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13160 (or 13154 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The spelling of 28751366352 in words is "twenty-eight billion, seven hundred fifty-one million, three hundred sixty-six thousand, three hundred fifty-two".