863170560 has 416 divisors, whose sum is σ = 3522785280. Its totient is φ = 196411392.

The previous prime is 863170537. The next prime is 863170579. The reversal of 863170560 is 65071368.

863170560 is a `hidden beast` number, since 86 + 3 + 17 + 0 + 560 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3870609 + ... + 3870831.

Almost surely, 2^863170560 is an apocalyptic number.

863170560 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 863170560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1761392640).

863170560 is an abundant number, since it is smaller than the sum of its proper divisors (2659614720).

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

863170560 is a wasteful number, since it uses less digits than its factorization.

863170560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 863170560 is about 29379.7644646787. The cubic root of 863170560 is about 952.1357525970.

The spelling of 863170560 in words is "eight hundred sixty-three million, one hundred seventy thousand, five hundred sixty".