863522080 has 24 divisors (see below), whose sum is σ = 2040071292. Its totient is φ = 345408768.

The previous prime is 863522041. The next prime is 863522083. The reversal of 863522080 is 80225368.

It can be written as a sum of positive squares in 2 ways, for example, as 792760336 + 70761744 = 28156^2 + 8412^2 .

It is not an unprimeable number, because it can be changed into a prime (863522083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2698347 + ... + 2698666.

Almost surely, 2^863522080 is an apocalyptic number.

863522080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

863522080 is an abundant number, since it is smaller than the sum of its proper divisors (1176549212).

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

863522080 is a wasteful number, since it uses less digits than its factorization.

863522080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397028 (or 5397020 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 863522080 is about 29385.7462045802. The cubic root of 863522080 is about 952.2649852004.

The spelling of 863522080 in words is "eight hundred sixty-three million, five hundred twenty-two thousand, eighty".