3936874437547 has 8 divisors (see below), whose sum is σ = 3959689125744. Its totient is φ = 3914060418528.

The previous prime is 3936874437541. The next prime is 3936874437563. The reversal of 3936874437547 is 7457344786393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3936874437547 is a prime.

It is a super-2 number, since 2×3936874437547² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3936874437541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16329693 + ... + 16569025.

It is an arithmetic number, because the mean of its divisors is an integer number (494961140718).

Almost surely, 2^{3936874437547} is an apocalyptic number.

3936874437547 is a deficient number, since it is larger than the sum of its proper divisors (22814688197).

3936874437547 is a wasteful number, since it uses less digits than its factorization.

3936874437547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334589.

The product of its digits is 1280240640, while the sum is 70.

The spelling of 3936874437547 in words is "three trillion, nine hundred thirty-six billion, eight hundred seventy-four million, four hundred thirty-seven thousand, five hundred forty-seven".