27896122008 has 192 divisors, whose sum is σ = 79806504960. Its totient is φ = 9127593216.

The previous prime is 27896121973. The next prime is 27896122043. The reversal of 27896122008 is 80022169872.

27896122008 is a `hidden beast` number, since 2 + 7 + 8 + 9 + 612 + 20 + 0 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (27896121973) and next prime (27896122043).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 25428916 + ... + 25430012.

It is an arithmetic number, because the mean of its divisors is an integer number (415658880).

Almost surely, 2^27896122008 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 27896122008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39903252480).

27896122008 is an abundant number, since it is smaller than the sum of its proper divisors (51910382952).

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

27896122008 is a wasteful number, since it uses less digits than its factorization.

27896122008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 27896122008 in words is "twenty-seven billion, eight hundred ninety-six million, one hundred twenty-two thousand, eight".