28860377748 has 48 divisors (see below), whose sum is σ = 67730347776. Its totient is φ = 9564549120.

The previous prime is 28860377747. The next prime is 28860377753. The reversal of 28860377748 is 84777306882.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28860377691 and 28860377700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28860377747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5836165 + ... + 5841107.

It is an arithmetic number, because the mean of its divisors is an integer number (1411048912).

Almost surely, 2^28860377748 is an apocalyptic number.

It is an amenable number.

28860377748 is an abundant number, since it is smaller than the sum of its proper divisors (38869970028).

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

28860377748 is a wasteful number, since it uses less digits than its factorization.

28860377748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7664 (or 7662 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 60.

The spelling of 28860377748 in words is "twenty-eight billion, eight hundred sixty million, three hundred seventy-seven thousand, seven hundred forty-eight".