7871963896 has 16 divisors (see below), whose sum is σ = 14760876240. Its totient is φ = 3935730240.

The previous prime is 7871963881. The next prime is 7871963909. The reversal of 7871963896 is 6983691787.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 215181 + ... + 249091.

It is an arithmetic number, because the mean of its divisors is an integer number (922554765).

Almost surely, 2^7871963896 is an apocalyptic number.

It is an amenable number.

7871963896 is a deficient number, since it is larger than the sum of its proper divisors (6888912344).

7871963896 is a wasteful number, since it uses less digits than its factorization.

7871963896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62934 (or 62930 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 64.

The square root of 7871963896 is about 88724.0885892890. The cubic root of 7871963896 is about 1989.2728921096.

The spelling of 7871963896 in words is "seven billion, eight hundred seventy-one million, nine hundred sixty-three thousand, eight hundred ninety-six".