75871943213 has 6 divisors (see below), whose sum is σ = 83396433582. Its totient is φ = 68974493720.

The previous prime is 75871943123. The next prime is 75871943227. The reversal of 75871943213 is 31234917857.

It can be written as a sum of positive squares in only one way, i.e., 67889950249 + 7981992964 = 260557^2 + 89342^2 .

It is not a de Polignac number, because 75871943213 - 2¹⁸ = 75871681069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75871943263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313520306 + ... + 313520547.

It is an arithmetic number, because the mean of its divisors is an integer number (13899405597).

Almost surely, 2^75871943213 is an apocalyptic number.

It is an amenable number.

75871943213 is a deficient number, since it is larger than the sum of its proper divisors (7524490369).

75871943213 is a wasteful number, since it uses less digits than its factorization.

75871943213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627040875 (or 627040864 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 50.

The spelling of 75871943213 in words is "seventy-five billion, eight hundred seventy-one million, nine hundred forty-three thousand, two hundred thirteen".