3979916882087 has 4 divisors (see below), whose sum is σ = 4018556851920. Its totient is φ = 3941276912256.

The previous prime is 3979916882057. The next prime is 3979916882093. The reversal of 3979916882087 is 7802886199793.

3979916882087 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3979916882087 - 2²⁰ = 3979915833511 is a prime.

It is a super-2 number, since 2×3979916882087² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3979916881999 and 3979916882017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979916882057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19319984762 + ... + 19319984967.

It is an arithmetic number, because the mean of its divisors is an integer number (1004639212980).

Almost surely, 2^{3979916882087} is an apocalyptic number.

3979916882087 is a deficient number, since it is larger than the sum of its proper divisors (38639969833).

3979916882087 is a wasteful number, since it uses less digits than its factorization.

3979916882087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38639969832.

The product of its (nonzero) digits is 658409472, while the sum is 77.

The spelling of 3979916882087 in words is "three trillion, nine hundred seventy-nine billion, nine hundred sixteen million, eight hundred eighty-two thousand, eighty-seven".