195710778461712 has 80 divisors (see below), whose sum is σ = 527572931921280. Its totient is φ = 62399976646656.

The previous prime is 195710778461701. The next prime is 195710778461741. The reversal of 195710778461712 is 217164877017591.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131973378 + ... + 133448094.

It is an arithmetic number, because the mean of its divisors is an integer number (6594661649016).

Almost surely, 2^{195710778461712} is an apocalyptic number.

195710778461712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195710778461712 is an abundant number, since it is smaller than the sum of its proper divisors (331862153459568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195710778461712 is a wasteful number, since it uses less digits than its factorization.

195710778461712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594960 (or 1594954 counting only the distinct ones).

The product of its (nonzero) digits is 41489280, while the sum is 66.

The spelling of 195710778461712 in words is "one hundred ninety-five trillion, seven hundred ten billion, seven hundred seventy-eight million, four hundred sixty-one thousand, seven hundred twelve".