71874647817 has 8 divisors (see below), whose sum is σ = 109523272896. Its totient is φ = 41071227312.

The previous prime is 71874647807. The next prime is 71874647881.

71874647817 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 71874647817 - 2¹⁸ = 71874385673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71874647807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1711301118 + ... + 1711301159.

It is an arithmetic number, because the mean of its divisors is an integer number (13690409112).

Almost surely, 2^71874647817 is an apocalyptic number.

It is an amenable number.

71874647817 is a deficient number, since it is larger than the sum of its proper divisors (37648625079).

71874647817 is a wasteful number, since it uses less digits than its factorization.

71874647817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422602287.

The product of its digits is 14751744, while the sum is 60.

The spelling of 71874647817 in words is "seventy-one billion, eight hundred seventy-four million, six hundred forty-seven thousand, eight hundred seventeen".