126479716878 has 16 divisors (see below), whose sum is σ = 253204799616. Its totient is φ = 42119011320.

The previous prime is 126479716861. The next prime is 126479716889. The reversal of 126479716878 is 878617974621.

It is a congruent number.

It is an unprimeable number.

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, 10216876 + ... + 10229247.

It is an arithmetic number, because the mean of its divisors is an integer number (15825299976).

Almost surely, 2^126479716878 is an apocalyptic number.

126479716878 is an abundant number, since it is smaller than the sum of its proper divisors (126725082738).

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

126479716878 is a wasteful number, since it uses less digits than its factorization.

126479716878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20447159.

The product of its digits is 56899584, while the sum is 66.

The spelling of 126479716878 in words is "one hundred twenty-six billion, four hundred seventy-nine million, seven hundred sixteen thousand, eight hundred seventy-eight".