126677694257753 has 4 divisors (see below), whose sum is σ = 126677720527488. Its totient is φ = 126677667988020.

The previous prime is 126677694257717. The next prime is 126677694257783. The reversal of 126677694257753 is 357752496776621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126677694257753 - 2¹² = 126677694253657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126677694257783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3589133 + ... + 16316778.

It is an arithmetic number, because the mean of its divisors is an integer number (31669430131872).

Almost surely, 2^{126677694257753} is an apocalyptic number.

It is an amenable number.

126677694257753 is a deficient number, since it is larger than the sum of its proper divisors (26269735).

126677694257753 is an equidigital number, since it uses as much as digits as its factorization.

126677694257753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26269734.

The product of its digits is 5601052800, while the sum is 77.

The spelling of 126677694257753 in words is "one hundred twenty-six trillion, six hundred seventy-seven billion, six hundred ninety-four million, two hundred fifty-seven thousand, seven hundred fifty-three".