263796479 has 2 divisors, whose sum is σ = 263796480. Its totient is φ = 263796478.

The previous prime is 263796457. The next prime is 263796503. The reversal of 263796479 is 974697362.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263796479 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 263796479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263796179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131898239 + 131898240.

It is an arithmetic number, because the mean of its divisors is an integer number (131898240).

Almost surely, 2^263796479 is an apocalyptic number.

263796479 is a deficient number, since it is larger than the sum of its proper divisors (1).

263796479 is an equidigital number, since it uses as much as digits as its factorization.

263796479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 53.

The square root of 263796479 is about 16241.8126759300. The cubic root of 263796479 is about 641.3419749848.

The spelling of 263796479 in words is "two hundred sixty-three million, seven hundred ninety-six thousand, four hundred seventy-nine".