263755812 has 96 divisors (see below), whose sum is σ = 686407680. Its totient is φ = 78503040.

The previous prime is 263755801. The next prime is 263755813. The reversal of 263755812 is 218557362.

263755812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (263755813) 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 31 ways as a sum of consecutive naturals, for example, 247593 + ... + 248655.

It is an arithmetic number, because the mean of its divisors is an integer number (7150080).

Almost surely, 2^263755812 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 263755812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343203840).

263755812 is an abundant number, since it is smaller than the sum of its proper divisors (422651868).

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

263755812 is a wasteful number, since it uses less digits than its factorization.

263755812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1151 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 263755812 is about 16240.5607046062. The cubic root of 263755812 is about 641.3090167556.

The spelling of 263755812 in words is "two hundred sixty-three million, seven hundred fifty-five thousand, eight hundred twelve".