270872891864172 has 144 divisors (see below), whose sum is σ = 769506155308800. Its totient is φ = 79714522952064.

The previous prime is 270872891864087. The next prime is 270872891864173. The reversal of 270872891864172 is 271468198278072.

270872891864172 is a `hidden beast` number, since 2 + 7 + 0 + 8 + 7 + 28 + 9 + 186 + 417 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 270872891864172.

It is not an unprimeable number, because it can be changed into a prime (270872891864173) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117553579 + ... + 119835677.

It is an arithmetic number, because the mean of its divisors is an integer number (5343792745200).

Almost surely, 2^{270872891864172} 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 270872891864172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384753077654400).

270872891864172 is an abundant number, since it is smaller than the sum of its proper divisors (498633263444628).

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

270872891864172 is a wasteful number, since it uses less digits than its factorization.

270872891864172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293172 (or 2293167 counting only the distinct ones).

The product of its (nonzero) digits is 303464448, while the sum is 72.

The spelling of 270872891864172 in words is "two hundred seventy trillion, eight hundred seventy-two billion, eight hundred ninety-one million, eight hundred sixty-four thousand, one hundred seventy-two".