126568879799 has 8 divisors (see below), whose sum is σ = 131656717920. Its totient is φ = 121529268000.

The previous prime is 126568879777. The next prime is 126568879823. The reversal of 126568879799 is 997978865621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126568879799 - 2¹² = 126568875703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126568879709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12051227 + ... + 12061724.

It is an arithmetic number, because the mean of its divisors is an integer number (16457089740).

Almost surely, 2^126568879799 is an apocalyptic number.

126568879799 is a deficient number, since it is larger than the sum of its proper divisors (5087838121).

126568879799 is a wasteful number, since it uses less digits than its factorization.

126568879799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24113161.

The product of its digits is 823011840, while the sum is 77.

The spelling of 126568879799 in words is "one hundred twenty-six billion, five hundred sixty-eight million, eight hundred seventy-nine thousand, seven hundred ninety-nine".