27364471008 has 144 divisors (see below), whose sum is σ = 83865018384. Its totient is φ = 7789824000.

The previous prime is 27364470949. The next prime is 27364471019. The reversal of 27364471008 is 80017446372.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1292508 + ... + 1313508.

It is an arithmetic number, because the mean of its divisors is an integer number (582395961).

Almost surely, 2^27364471008 is an apocalyptic number.

27364471008 is a gapful number since it is divisible by the number (28) 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 27364471008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41932509192).

27364471008 is an abundant number, since it is smaller than the sum of its proper divisors (56500547376).

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

27364471008 is a wasteful number, since it uses less digits than its factorization.

27364471008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21305 (or 21290 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

It can be divided in two parts, 2736 and 4471008, that added together give a palindrome (4473744).

The spelling of 27364471008 in words is "twenty-seven billion, three hundred sixty-four million, four hundred seventy-one thousand, eight".