43879126712 has 8 divisors (see below), whose sum is σ = 82273362600. Its totient is φ = 21939563352.

The previous prime is 43879126679. The next prime is 43879126729. The reversal of 43879126712 is 21762197834.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×43879126712² (a number of 22 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 2742445412 + ... + 2742445427.

It is an arithmetic number, because the mean of its divisors is an integer number (10284170325).

Almost surely, 2^43879126712 is an apocalyptic number.

It is an amenable number.

43879126712 is a deficient number, since it is larger than the sum of its proper divisors (38394235888).

43879126712 is a wasteful number, since it uses less digits than its factorization.

43879126712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484890845 (or 5484890841 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The spelling of 43879126712 in words is "forty-three billion, eight hundred seventy-nine million, one hundred twenty-six thousand, seven hundred twelve".