263868752 has 20 divisors (see below), whose sum is σ = 584281056. Its totient is φ = 113086560.

The previous prime is 263868739. The next prime is 263868757. The reversal of 263868752 is 257868362.

It is a happy number.

263868752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 263868697 and 263868706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263868757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177874 + ... + 1178097.

Almost surely, 2^263868752 is an apocalyptic number.

It is an amenable number.

263868752 is an abundant number, since it is smaller than the sum of its proper divisors (320412304).

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

263868752 is a wasteful number, since it uses less digits than its factorization.

263868752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355986 (or 2355980 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 263868752 is about 16244.0374291615. The cubic root of 263868752 is about 641.4005396736.

The spelling of 263868752 in words is "two hundred sixty-three million, eight hundred sixty-eight thousand, seven hundred fifty-two".