27322577136 has 120 divisors (see below), whose sum is σ = 79073938944. Its totient is φ = 8797875840.

The previous prime is 27322577131. The next prime is 27322577137. The reversal of 27322577136 is 63177522372.

It is a happy number.

27322577136 is a `hidden beast` number, since 2 + 73 + 2 + 2 + 577 + 1 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 27322577091 and 27322577100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27322577131) 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 23 ways as a sum of consecutive naturals, for example, 2615155 + ... + 2625581.

Almost surely, 2^27322577136 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 27322577136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39536969472).

27322577136 is an abundant number, since it is smaller than the sum of its proper divisors (51751361808).

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

27322577136 is a wasteful number, since it uses less digits than its factorization.

27322577136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11059 (or 11050 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

The spelling of 27322577136 in words is "twenty-seven billion, three hundred twenty-two million, five hundred seventy-seven thousand, one hundred thirty-six".