71355279804 has 12 divisors (see below), whose sum is σ = 166495652904. Its totient is φ = 23785093264.

The previous prime is 71355279803. The next prime is 71355279829. The reversal of 71355279804 is 40897255317.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71355279803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2973136647 + ... + 2973136670.

It is an arithmetic number, because the mean of its divisors is an integer number (13874637742).

Almost surely, 2^71355279804 is an apocalyptic number.

It is an amenable number.

71355279804 is an abundant number, since it is smaller than the sum of its proper divisors (95140373100).

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

71355279804 is a wasteful number, since it uses less digits than its factorization.

71355279804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5946273324 (or 5946273322 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 71355279804 in words is "seventy-one billion, three hundred fifty-five million, two hundred seventy-nine thousand, eight hundred four".