263320047 has 6 divisors (see below), whose sum is σ = 380351192. Its totient is φ = 175546692.

The previous prime is 263320037. The next prime is 263320051. The reversal of 263320047 is 740023362.

263320047 is a `hidden beast` number, since 2 + 633 + 20 + 0 + 4 + 7 = 666.

It is not a de Polignac number, because 263320047 - 2¹² = 263315951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 263320047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263320007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14628883 + ... + 14628900.

Almost surely, 2^263320047 is an apocalyptic number.

263320047 is a deficient number, since it is larger than the sum of its proper divisors (117031145).

263320047 is a wasteful number, since it uses less digits than its factorization.

263320047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29257789 (or 29257786 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 263320047 is about 16227.1392118266. The cubic root of 263320047 is about 640.9556418333.

The spelling of 263320047 in words is "two hundred sixty-three million, three hundred twenty thousand, forty-seven".