28376499536 has 160 divisors (see below), whose sum is σ = 71095449600. Its totient is φ = 10646576640.

The previous prime is 28376499511. The next prime is 28376499539. The reversal of 28376499536 is 63599467382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28376499539) 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 31 ways as a sum of consecutive naturals, for example, 17970395 + ... + 17971973.

It is an arithmetic number, because the mean of its divisors is an integer number (444346560).

Almost surely, 2^28376499536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28376499536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35547724800).

28376499536 is an abundant number, since it is smaller than the sum of its proper divisors (42718950064).

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

28376499536 is a wasteful number, since it uses less digits than its factorization.

28376499536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137 (or 2131 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 62.

The spelling of 28376499536 in words is "twenty-eight billion, three hundred seventy-six million, four hundred ninety-nine thousand, five hundred thirty-six".