27018936912 has 80 divisors (see below), whose sum is σ = 77392635840. Its totient is φ = 8053324800.

The previous prime is 27018936911. The next prime is 27018936913. The reversal of 27018936912 is 21963981072.

It is an interprime number because it is at equal distance from previous prime (27018936911) and next prime (27018936913).

It is a super-3 number, since 3×27018936912³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27018936911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387237 + ... + 451652.

It is an arithmetic number, because the mean of its divisors is an integer number (967407948).

Almost surely, 2^27018936912 is an apocalyptic number.

27018936912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27018936912 is an abundant number, since it is smaller than the sum of its proper divisors (50373698928).

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

27018936912 is a wasteful number, since it uses less digits than its factorization.

27018936912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838972 (or 838966 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 27018936912 in words is "twenty-seven billion, eighteen million, nine hundred thirty-six thousand, nine hundred twelve".