28827455696 has 80 divisors (see below), whose sum is σ = 64767729600. Its totient is φ = 12310001664.

The previous prime is 28827455681. The next prime is 28827455749. The reversal of 28827455696 is 69655472882.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139535 + ... + 277713.

It is an arithmetic number, because the mean of its divisors is an integer number (809596620).

Almost surely, 2^28827455696 is an apocalyptic number.

28827455696 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28827455696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32383864800).

28827455696 is an abundant number, since it is smaller than the sum of its proper divisors (35940273904).

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

28827455696 is a wasteful number, since it uses less digits than its factorization.

28827455696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138276 (or 138270 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 62.

The spelling of 28827455696 in words is "twenty-eight billion, eight hundred twenty-seven million, four hundred fifty-five thousand, six hundred ninety-six".