28371696756 has 24 divisors (see below), whose sum is σ = 71292981984. Its totient is φ = 8729752800.

The previous prime is 28371696719. The next prime is 28371696757. The reversal of 28371696756 is 65769617382.

It is a self number, because there is not a number n which added to its sum of digits gives 28371696756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28371696757) 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 7 ways as a sum of consecutive naturals, for example, 90934770 + ... + 90935081.

It is an arithmetic number, because the mean of its divisors is an integer number (2970540916).

Almost surely, 2^28371696756 is an apocalyptic number.

28371696756 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28371696756 is an abundant number, since it is smaller than the sum of its proper divisors (42921285228).

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

28371696756 is a wasteful number, since it uses less digits than its factorization.

28371696756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181869871 (or 181869869 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 60.

The spelling of 28371696756 in words is "twenty-eight billion, three hundred seventy-one million, six hundred ninety-six thousand, seven hundred fifty-six".