71780141922 has 8 divisors (see below), whose sum is σ = 143560283856. Its totient is φ = 23926713972.

The previous prime is 71780141893. The next prime is 71780141941. The reversal of 71780141922 is 22914108717.

It is a sphenic number, since it is the product of 3 distinct primes.

71780141922 is an admirable 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, 5981678488 + ... + 5981678499.

It is an arithmetic number, because the mean of its divisors is an integer number (17945035482).

Almost surely, 2^71780141922 is an apocalyptic number.

71780141922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71780141922 is a wasteful number, since it uses less digits than its factorization.

71780141922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11963356992.

The product of its (nonzero) digits is 56448, while the sum is 42.

The spelling of 71780141922 in words is "seventy-one billion, seven hundred eighty million, one hundred forty-one thousand, nine hundred twenty-two".