863026560 has 384 divisors, whose sum is σ = 3325289760. Its totient is φ = 204472320.

The previous prime is 863026553. The next prime is 863026609. The reversal of 863026560 is 65620368.

It is a tau number, because it is divible by the number of its divisors (384).

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 47 ways as a sum of consecutive naturals, for example, 3357952 + ... + 3358208.

Almost surely, 2^863026560 is an apocalyptic number.

863026560 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 863026560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1662644880).

863026560 is an abundant number, since it is smaller than the sum of its proper divisors (2462263200).

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

863026560 is a wasteful number, since it uses less digits than its factorization.

863026560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 863026560 is about 29377.3136961159. The cubic root of 863026560 is about 952.0828023923.

The spelling of 863026560 in words is "eight hundred sixty-three million, twenty-six thousand, five hundred sixty".