71041087384 has 8 divisors (see below), whose sum is σ = 133202038860. Its totient is φ = 35520543688.

The previous prime is 71041087361. The next prime is 71041087391. The reversal of 71041087384 is 48378014017.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×71041087384² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71041087384.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4440067954 + ... + 4440067969.

Almost surely, 2^71041087384 is an apocalyptic number.

It is an amenable number.

71041087384 is a deficient number, since it is larger than the sum of its proper divisors (62160951476).

71041087384 is a wasteful number, since it uses less digits than its factorization.

71041087384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880135929 (or 8880135925 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 71041087384 in words is "seventy-one billion, forty-one million, eighty-seven thousand, three hundred eighty-four".