71022430871 has 8 divisors (see below), whose sum is σ = 84697557504. Its totient is φ = 58229570520.

The previous prime is 71022430859. The next prime is 71022430907. The reversal of 71022430871 is 17803422017.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71022430871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71022430811) 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, 220566395 + ... + 220566716.

It is an arithmetic number, because the mean of its divisors is an integer number (10587194688).

Almost surely, 2^71022430871 is an apocalyptic number.

71022430871 is a deficient number, since it is larger than the sum of its proper divisors (13675126633).

71022430871 is a wasteful number, since it uses less digits than its factorization.

71022430871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441133141.

The product of its (nonzero) digits is 18816, while the sum is 35.

Adding to 71022430871 its reverse (17803422017), we get a palindrome (88825852888).

The spelling of 71022430871 in words is "seventy-one billion, twenty-two million, four hundred thirty thousand, eight hundred seventy-one".