3958653896687 has 16 divisors (see below), whose sum is σ = 4532051596800. Its totient is φ = 3387225939552.

The previous prime is 3958653896677. The next prime is 3958653896689. The reversal of 3958653896687 is 7866983568593.

It is not a de Polignac number, because 3958653896687 - 2¹² = 3958653892591 is a prime.

It is a Smith number, since the sum of its digits (83) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3958653896689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83681213 + ... + 83728505.

It is an arithmetic number, because the mean of its divisors is an integer number (283253224800).

Almost surely, 2^{3958653896687} is an apocalyptic number.

3958653896687 is a deficient number, since it is larger than the sum of its proper divisors (573397700113).

3958653896687 is a wasteful number, since it uses less digits than its factorization.

3958653896687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67862.

The product of its digits is 14108774400, while the sum is 83.

The spelling of 3958653896687 in words is "three trillion, nine hundred fifty-eight billion, six hundred fifty-three million, eight hundred ninety-six thousand, six hundred eighty-seven".