3958351316787 has 32 divisors (see below), whose sum is σ = 6117603369984. Its totient is φ = 2229737932800.

The previous prime is 3958351316783. The next prime is 3958351316831. The reversal of 3958351316787 is 7876131538593.

It is not a de Polignac number, because 3958351316787 - 2² = 3958351316783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3958351316783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10431003 + ... + 10803819.

It is an arithmetic number, because the mean of its divisors is an integer number (191175105312).

Almost surely, 2^{3958351316787} is an apocalyptic number.

3958351316787 is a deficient number, since it is larger than the sum of its proper divisors (2159252053197).

3958351316787 is a wasteful number, since it uses less digits than its factorization.

3958351316787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380019.

The product of its digits is 114307200, while the sum is 66.

The spelling of 3958351316787 in words is "three trillion, nine hundred fifty-eight billion, three hundred fifty-one million, three hundred sixteen thousand, seven hundred eighty-seven".