263380833787 has 2 divisors, whose sum is σ = 263380833788. Its totient is φ = 263380833786.

The previous prime is 263380833743. The next prime is 263380833809. The reversal of 263380833787 is 787338083362.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263380833787 is a prime.

It is a super-2 number, since 2×263380833787² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (263380803787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131690416893 + 131690416894.

It is an arithmetic number, because the mean of its divisors is an integer number (131690416894).

Almost surely, 2^263380833787 is an apocalyptic number.

263380833787 is a deficient number, since it is larger than the sum of its proper divisors (1).

263380833787 is an equidigital number, since it uses as much as digits as its factorization.

263380833787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 58.

The spelling of 263380833787 in words is "two hundred sixty-three billion, three hundred eighty million, eight hundred thirty-three thousand, seven hundred eighty-seven".