42871616197 has 8 divisors (see below), whose sum is σ = 44428739040. Its totient is φ = 41319746160.

The previous prime is 42871616189. The next prime is 42871616219. The reversal of 42871616197 is 79161617824.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42871616197 - 2³ = 42871616189 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 (42871616297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296579 + ... + 1329232.

It is an arithmetic number, because the mean of its divisors is an integer number (5553592380).

Almost surely, 2^42871616197 is an apocalyptic number.

It is an amenable number.

42871616197 is a deficient number, since it is larger than the sum of its proper divisors (1557122843).

42871616197 is a wasteful number, since it uses less digits than its factorization.

42871616197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626403.

The product of its digits is 1016064, while the sum is 52.

The spelling of 42871616197 in words is "forty-two billion, eight hundred seventy-one million, six hundred sixteen thousand, one hundred ninety-seven".