28167549696 has 864 divisors, whose sum is σ = 104138431488. Its totient is φ = 7189954560.

The previous prime is 28167549677. The next prime is 28167549703. The reversal of 28167549696 is 69694576182.

28167549696 is a `hidden beast` number, since 2 + 81 + 6 + 7 + 549 + 6 + 9 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 263248075 + ... + 263248181.

It is an arithmetic number, because the mean of its divisors is an integer number (120530592).

Almost surely, 2^28167549696 is an apocalyptic number.

28167549696 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 28167549696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52069215744).

28167549696 is an abundant number, since it is smaller than the sum of its proper divisors (75970881792).

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

28167549696 is a wasteful number, since it uses less digits than its factorization.

28167549696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 200 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 28167549696 in words is "twenty-eight billion, one hundred sixty-seven million, five hundred forty-nine thousand, six hundred ninety-six".