27347100840 has 96 divisors (see below), whose sum is σ = 89146980000. Its totient is φ = 7270496640.

The previous prime is 27347100817. The next prime is 27347100841. The reversal of 27347100840 is 4800174372.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 27347100795 and 27347100804.

It is not an unprimeable number, because it can be changed into a prime (27347100841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4411 + ... + 233909.

It is an arithmetic number, because the mean of its divisors is an integer number (928614375).

Almost surely, 2^27347100840 is an apocalyptic number.

27347100840 is a gapful number since it is divisible by the number (20) 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 27347100840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44573490000).

27347100840 is an abundant number, since it is smaller than the sum of its proper divisors (61799879160).

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

27347100840 is a wasteful number, since it uses less digits than its factorization.

27347100840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229847 (or 229840 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 27347100840 in words is "twenty-seven billion, three hundred forty-seven million, one hundred thousand, eight hundred forty".