13708215478 has 16 divisors (see below), whose sum is σ = 20603830320. Its totient is φ = 6840288000.

The previous prime is 13708215377. The next prime is 13708215503. The reversal of 13708215478 is 87451280731.

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, 2360178 + ... + 2365978.

It is an arithmetic number, because the mean of its divisors is an integer number (1287739395).

Almost surely, 2^13708215478 is an apocalyptic number.

13708215478 is a deficient number, since it is larger than the sum of its proper divisors (6895614842).

13708215478 is a wasteful number, since it uses less digits than its factorization.

13708215478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7983.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 13708215478 in words is "thirteen billion, seven hundred eight million, two hundred fifteen thousand, four hundred seventy-eight".