78216063687336 has 16 divisors (see below), whose sum is σ = 195540159218400. Its totient is φ = 26072021229104.

The previous prime is 78216063687323. The next prime is 78216063687523. The reversal of 78216063687336 is 63378636061287.

It is a super-2 number, since 2×78216063687336² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1629501326796 + ... + 1629501326843.

It is an arithmetic number, because the mean of its divisors is an integer number (12221259951150).

Almost surely, 2^{78216063687336} is an apocalyptic number.

It is an amenable number.

78216063687336 is an abundant number, since it is smaller than the sum of its proper divisors (117324095531064).

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

78216063687336 is a wasteful number, since it uses less digits than its factorization.

78216063687336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259002653648 (or 3259002653644 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 66.

The spelling of 78216063687336 in words is "seventy-eight trillion, two hundred sixteen billion, sixty-three million, six hundred eighty-seven thousand, three hundred thirty-six".