263783742 has 8 divisors (see below), whose sum is σ = 527567496. Its totient is φ = 87927912.

The previous prime is 263783719. The next prime is 263783753. The reversal of 263783742 is 247387362.

It is a sphenic number, since it is the product of 3 distinct primes.

263783742 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 263783694 and 263783703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21981973 + ... + 21981984.

It is an arithmetic number, because the mean of its divisors is an integer number (65945937).

Almost surely, 2^263783742 is an apocalyptic number.

263783742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

263783742 is a wasteful number, since it uses less digits than its factorization.

263783742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43963962.

The product of its digits is 338688, while the sum is 42.

The square root of 263783742 is about 16241.4205659480. The cubic root of 263783742 is about 641.3316527542.

The spelling of 263783742 in words is "two hundred sixty-three million, seven hundred eighty-three thousand, seven hundred forty-two".