968785670491811 has 4 divisors (see below), whose sum is σ = 1019774389991400. Its totient is φ = 917796950992224.

The previous prime is 968785670491789. The next prime is 968785670491853. The reversal of 968785670491811 is 118194076587869.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-968785670491811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (968785670491861) 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, 25494359749766 + ... + 25494359749803.

It is an arithmetic number, because the mean of its divisors is an integer number (254943597497850).

Almost surely, 2^{968785670491811} is an apocalyptic number.

968785670491811 is a deficient number, since it is larger than the sum of its proper divisors (50988719499589).

968785670491811 is a wasteful number, since it uses less digits than its factorization.

968785670491811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50988719499588.

The product of its (nonzero) digits is 1463132160, while the sum is 80.

The spelling of 968785670491811 in words is "nine hundred sixty-eight trillion, seven hundred eighty-five billion, six hundred seventy million, four hundred ninety-one thousand, eight hundred eleven".