1996856711 has 32 divisors (see below), whose sum is σ = 2189721600. Its totient is φ = 1816054240.

The previous prime is 1996856707. The next prime is 1996856717. The reversal of 1996856711 is 1176586991.

It is not a de Polignac number, because 1996856711 - 2² = 1996856707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996856717) 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 31 ways as a sum of consecutive naturals, for example, 8354930 + ... + 8355168.

It is an arithmetic number, because the mean of its divisors is an integer number (68428800).

Almost surely, 2^1996856711 is an apocalyptic number.

1996856711 is a deficient number, since it is larger than the sum of its proper divisors (192864889).

1996856711 is a wasteful number, since it uses less digits than its factorization.

1996856711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

The product of its digits is 816480, while the sum is 53.

The square root of 1996856711 is about 44686.2026916586. The cubic root of 1996856711 is about 1259.2606544755.

The spelling of 1996856711 in words is "one billion, nine hundred ninety-six million, eight hundred fifty-six thousand, seven hundred eleven".