27390929104 has 80 divisors (see below), whose sum is σ = 66274865280. Its totient is φ = 10654087680.

The previous prime is 27390929087. The next prime is 27390929107. The reversal of 27390929104 is 40192909372.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27390929107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737082 + ... + 773350.

It is an arithmetic number, because the mean of its divisors is an integer number (828435816).

Almost surely, 2^27390929104 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 27390929104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33137432640).

27390929104 is an abundant number, since it is smaller than the sum of its proper divisors (38883936176).

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

27390929104 is a wasteful number, since it uses less digits than its factorization.

27390929104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36908 (or 36902 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 27390929104 in words is "twenty-seven billion, three hundred ninety million, nine hundred twenty-nine thousand, one hundred four".