8705270880 has 576 divisors, whose sum is σ = 32546562048. Its totient is φ = 2194698240.

The previous prime is 8705270857. The next prime is 8705270887. The reversal of 8705270880 is 880725078.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8705270887) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68545377 + ... + 68545503.

It is an arithmetic number, because the mean of its divisors is an integer number (56504448).

Almost surely, 2^8705270880 is an apocalyptic number.

8705270880 is a gapful number since it is divisible by the number (80) 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 8705270880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16273281024).

8705270880 is an abundant number, since it is smaller than the sum of its proper divisors (23841291168).

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

8705270880 is a wasteful number, since it uses less digits than its factorization.

8705270880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The square root of 8705270880 is about 93302.0411352292. The cubic root of 8705270880 is about 2057.1253837802.

The spelling of 8705270880 in words is "eight billion, seven hundred five million, two hundred seventy thousand, eight hundred eighty".