126782503847 has 2 divisors, whose sum is σ = 126782503848. Its totient is φ = 126782503846.

The previous prime is 126782503843. The next prime is 126782503853. The reversal of 126782503847 is 748305287621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126782503847 - 2² = 126782503843 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126782503843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63391251923 + 63391251924.

It is an arithmetic number, because the mean of its divisors is an integer number (63391251924).

Almost surely, 2^126782503847 is an apocalyptic number.

126782503847 is a deficient number, since it is larger than the sum of its proper divisors (1).

126782503847 is an equidigital number, since it uses as much as digits as its factorization.

126782503847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 126782503847 in words is "one hundred twenty-six billion, seven hundred eighty-two million, five hundred three thousand, eight hundred forty-seven".