3520123885487 has 16 divisors (see below), whose sum is σ = 4066539710112. Its totient is φ = 3011489771520.

The previous prime is 3520123885457. The next prime is 3520123885507. The reversal of 3520123885487 is 7845883210253.

It is a cyclic number.

It is not a de Polignac number, because 3520123885487 - 2⁴⁰ = 2420612257711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520123885427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297023 + ... + 2669919.

It is an arithmetic number, because the mean of its divisors is an integer number (254158731882).

Almost surely, 2^{3520123885487} is an apocalyptic number.

3520123885487 is a deficient number, since it is larger than the sum of its proper divisors (546415824625).

3520123885487 is a wasteful number, since it uses less digits than its factorization.

3520123885487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380858.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 3520123885487 in words is "three trillion, five hundred twenty billion, one hundred twenty-three million, eight hundred eighty-five thousand, four hundred eighty-seven".