126577137768 has 32 divisors (see below), whose sum is σ = 330201230400. Its totient is φ = 40357927808.

The previous prime is 126577137767. The next prime is 126577137769. The reversal of 126577137768 is 867731775621.

It is an interprime number because it is at equal distance from previous prime (126577137767) and next prime (126577137769).

It is not an unprimeable number, because it can be changed into a prime (126577137767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114652653 + ... + 114653756.

It is an arithmetic number, because the mean of its divisors is an integer number (10318788450).

Almost surely, 2^126577137768 is an apocalyptic number.

It is an amenable number.

126577137768 is an abundant number, since it is smaller than the sum of its proper divisors (203624092632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126577137768 is a wasteful number, since it uses less digits than its factorization.

126577137768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229306441 (or 229306437 counting only the distinct ones).

The product of its digits is 20744640, while the sum is 60.

The spelling of 126577137768 in words is "one hundred twenty-six billion, five hundred seventy-seven million, one hundred thirty-seven thousand, seven hundred sixty-eight".