78613216374 has 64 divisors (see below), whose sum is σ = 198225169920. Its totient is φ = 20189579520.

The previous prime is 78613216369. The next prime is 78613216393. The reversal of 78613216374 is 47361231687.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 914829 + ... + 997064.

It is an arithmetic number, because the mean of its divisors is an integer number (3097268280).

Almost surely, 2^78613216374 is an apocalyptic number.

78613216374 is an abundant number, since it is smaller than the sum of its proper divisors (119611953546).

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

78613216374 is a wasteful number, since it uses less digits than its factorization.

78613216374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912005.

The product of its digits is 1016064, while the sum is 48.

The spelling of 78613216374 in words is "seventy-eight billion, six hundred thirteen million, two hundred sixteen thousand, three hundred seventy-four".