13315079578 has 8 divisors (see below), whose sum is σ = 21023809920. Its totient is φ = 6307142940.

The previous prime is 13315079567. The next prime is 13315079579. The reversal of 13315079578 is 87597051331.

It is a happy number.

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 (13315079579) 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, 175198378 + ... + 175198453.

It is an arithmetic number, because the mean of its divisors is an integer number (2627976240).

Almost surely, 2^13315079578 is an apocalyptic number.

13315079578 is a deficient number, since it is larger than the sum of its proper divisors (7708730342).

13315079578 is a wasteful number, since it uses less digits than its factorization.

13315079578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350396852.

The product of its (nonzero) digits is 793800, while the sum is 49.

The spelling of 13315079578 in words is "thirteen billion, three hundred fifteen million, seventy-nine thousand, five hundred seventy-eight".