2078660043508 has 12 divisors (see below), whose sum is σ = 3639388132800. Its totient is φ = 1038834862712.

The previous prime is 2078660043487. The next prime is 2078660043533. The reversal of 2078660043508 is 8053400668702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123780316 + ... + 123797107.

It is an arithmetic number, because the mean of its divisors is an integer number (303282344400).

Almost surely, 2^{2078660043508} is an apocalyptic number.

It is an amenable number.

2078660043508 is a deficient number, since it is larger than the sum of its proper divisors (1560728089292).

2078660043508 is a wasteful number, since it uses less digits than its factorization.

2078660043508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247579526 (or 247579524 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 2078660043508 in words is "two trillion, seventy-eight billion, six hundred sixty million, forty-three thousand, five hundred eight".