126780582676 has 24 divisors (see below), whose sum is σ = 242045040384. Its totient is φ = 57625303680.

The previous prime is 126780582623. The next prime is 126780582679. The reversal of 126780582676 is 676285087621.

It is a happy number.

It is a super-2 number, since 2×126780582676² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126780582676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126780582679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1743421 + ... + 1814683.

It is an arithmetic number, because the mean of its divisors is an integer number (10085210016).

Almost surely, 2^126780582676 is an apocalyptic number.

It is an amenable number.

126780582676 is a deficient number, since it is larger than the sum of its proper divisors (115264457708).

126780582676 is a wasteful number, since it uses less digits than its factorization.

126780582676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111711 (or 111709 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 126780582676 in words is "one hundred twenty-six billion, seven hundred eighty million, five hundred eighty-two thousand, six hundred seventy-six".