27170797740 has 192 divisors, whose sum is σ = 83519372160. Its totient is φ = 6569328640.

The previous prime is 27170797721. The next prime is 27170797751. The reversal of 27170797740 is 4779707172.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18960064 + ... + 18961496.

It is an arithmetic number, because the mean of its divisors is an integer number (434996730).

Almost surely, 2^27170797740 is an apocalyptic number.

27170797740 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 27170797740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41759686080).

27170797740 is an abundant number, since it is smaller than the sum of its proper divisors (56348574420).

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

27170797740 is a wasteful number, since it uses less digits than its factorization.

27170797740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132 (or 2130 counting only the distinct ones).

The product of its (nonzero) digits is 1210104, while the sum is 51.

The spelling of 27170797740 in words is "twenty-seven billion, one hundred seventy million, seven hundred ninety-seven thousand, seven hundred forty".