71170943578 has 8 divisors (see below), whose sum is σ = 122007331872. Its totient is φ = 30501832956.

The previous prime is 71170943549. The next prime is 71170943579. The reversal of 71170943578 is 87534907117.

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

It is not an unprimeable number, because it can be changed into a prime (71170943579) 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, 2541819400 + ... + 2541819427.

It is an arithmetic number, because the mean of its divisors is an integer number (15250916484).

Almost surely, 2^71170943578 is an apocalyptic number.

71170943578 is a deficient number, since it is larger than the sum of its proper divisors (50836388294).

71170943578 is a wasteful number, since it uses less digits than its factorization.

71170943578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083638836.

The product of its (nonzero) digits is 1481760, while the sum is 52.

The spelling of 71170943578 in words is "seventy-one billion, one hundred seventy million, nine hundred forty-three thousand, five hundred seventy-eight".