126375762577 has 2 divisors, whose sum is σ = 126375762578. Its totient is φ = 126375762576.

The previous prime is 126375762523. The next prime is 126375762581. The reversal of 126375762577 is 775267573621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72942666241 + 53433096336 = 270079^2 + 231156^2 .

It is a cyclic number.

It is not a de Polignac number, because 126375762577 - 2⁷ = 126375762449 is a prime.

It is not a weakly prime, because it can be changed into another prime (126375769577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63187881288 + 63187881289.

It is an arithmetic number, because the mean of its divisors is an integer number (63187881289).

Almost surely, 2^126375762577 is an apocalyptic number.

It is an amenable number.

126375762577 is a deficient number, since it is larger than the sum of its proper divisors (1).

126375762577 is an equidigital number, since it uses as much as digits as its factorization.

126375762577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25930800, while the sum is 58.

The spelling of 126375762577 in words is "one hundred twenty-six billion, three hundred seventy-five million, seven hundred sixty-two thousand, five hundred seventy-seven".