863231700 has 144 divisors (see below), whose sum is σ = 2550947840. Its totient is φ = 225348480.

The previous prime is 863231669. The next prime is 863231701. The reversal of 863231700 is 7132368.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863231701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5295819 + ... + 5295981.

Almost surely, 2^863231700 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 863231700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1275473920).

863231700 is an abundant number, since it is smaller than the sum of its proper divisors (1687716140).

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

863231700 is a wasteful number, since it uses less digits than its factorization.

863231700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 863231700 is about 29380.8049583397. The cubic root of 863231700 is about 952.1582325904.

The spelling of 863231700 in words is "eight hundred sixty-three million, two hundred thirty-one thousand, seven hundred".