71078564328 has 32 divisors (see below), whose sum is σ = 178459070400. Its totient is φ = 23591166848.

The previous prime is 71078564321. The next prime is 71078564339. The reversal of 71078564328 is 82346587017.

It is not an unprimeable number, because it can be changed into a prime (71078564321) 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, 6349788 + ... + 6360971.

It is an arithmetic number, because the mean of its divisors is an integer number (5576845950).

Almost surely, 2^71078564328 is an apocalyptic number.

It is an amenable number.

71078564328 is an abundant number, since it is smaller than the sum of its proper divisors (107380506072).

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

71078564328 is a wasteful number, since it uses less digits than its factorization.

71078564328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12711001 (or 12710997 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 71078564328 in words is "seventy-one billion, seventy-eight million, five hundred sixty-four thousand, three hundred twenty-eight".