13487578568703 has 20 divisors (see below), whose sum is σ = 20194642682368. Its totient is φ = 8970952927680.

The previous prime is 13487578568699. The next prime is 13487578568741. The reversal of 13487578568703 is 30786587578431.

13487578568703 is a `hidden beast` number, since 1 + 3 + 4 + 8 + 7 + 57 + 8 + 568 + 7 + 0 + 3 = 666.

It is not a de Polignac number, because 13487578568703 - 2² = 13487578568699 is a prime.

It is a super-2 number, since 2×13487578568703² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13487578567703) 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 19 ways as a sum of consecutive naturals, for example, 192243583 + ... + 192313728.

Almost surely, 2^{13487578568703} is an apocalyptic number.

13487578568703 is a deficient number, since it is larger than the sum of its proper divisors (6707064113665).

13487578568703 is an equidigital number, since it uses as much as digits as its factorization.

13487578568703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384557756 (or 384557747 counting only the distinct ones).

The product of its (nonzero) digits is 948326400, while the sum is 72.

The spelling of 13487578568703 in words is "thirteen trillion, four hundred eighty-seven billion, five hundred seventy-eight million, five hundred sixty-eight thousand, seven hundred three".