263063790 has 96 divisors (see below), whose sum is σ = 764461152. Its totient is φ = 62208000.

The previous prime is 263063777. The next prime is 263063807. The reversal of 263063790 is 97360362.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37350 + ... + 43830.

It is an arithmetic number, because the mean of its divisors is an integer number (7963137).

Almost surely, 2^263063790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263063790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382230576).

263063790 is an abundant number, since it is smaller than the sum of its proper divisors (501397362).

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

263063790 is a wasteful number, since it uses less digits than its factorization.

263063790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6546 (or 6543 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 263063790 is about 16219.2413509387. The cubic root of 263063790 is about 640.7476532634.

The spelling of 263063790 in words is "two hundred sixty-three million, sixty-three thousand, seven hundred ninety".