71359897227648 has 64 divisors (see below), whose sum is σ = 191503848007920. Its totient is φ = 23541409382400.

The previous prime is 71359897227631. The next prime is 71359897227659. The reversal of 71359897227648 is 84672279895317.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×71359897227648² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957865153 + ... + 957939648.

Almost surely, 2^{71359897227648} is an apocalyptic number.

It is an amenable number.

71359897227648 is an abundant number, since it is smaller than the sum of its proper divisors (120143950780272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71359897227648 is a wasteful number, since it uses less digits than its factorization.

71359897227648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915804915 (or 1915804903 counting only the distinct ones).

The product of its digits is 2560481280, while the sum is 78.

The spelling of 71359897227648 in words is "seventy-one trillion, three hundred fifty-nine billion, eight hundred ninety-seven million, two hundred twenty-seven thousand, six hundred forty-eight".