863027620 has 192 divisors, whose sum is σ = 2377589760. Its totient is φ = 255670272.

The previous prime is 863027563. The next prime is 863027621. The reversal of 863027620 is 26720368.

It is not an unprimeable number, because it can be changed into a prime (863027621) 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 63 ways as a sum of consecutive naturals, for example, 2218386 + ... + 2218774.

It is an arithmetic number, because the mean of its divisors is an integer number (12383280).

Almost surely, 2^863027620 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 863027620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1188794880).

863027620 is an abundant number, since it is smaller than the sum of its proper divisors (1514562140).

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

863027620 is a wasteful number, since it uses less digits than its factorization.

863027620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 863027620 is about 29377.3317372426. The cubic root of 863027620 is about 952.0831921861.

Adding to 863027620 its reverse (26720368), we get a palindrome (889747988).

The spelling of 863027620 in words is "eight hundred sixty-three million, twenty-seven thousand, six hundred twenty".