78860907216 has 480 divisors, whose sum is σ = 287021629440. Its totient is φ = 19628614656.

The previous prime is 78860907199. The next prime is 78860907217. The reversal of 78860907216 is 61270906887.

78860907216 is a `hidden beast` number, since 7 + 8 + 8 + 609 + 0 + 7 + 21 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78860907217) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 95357395 + ... + 95358221.

It is an arithmetic number, because the mean of its divisors is an integer number (597961728).

Almost surely, 2^78860907216 is an apocalyptic number.

78860907216 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78860907216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143510814720).

78860907216 is an abundant number, since it is smaller than the sum of its proper divisors (208160722224).

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

78860907216 is a wasteful number, since it uses less digits than its factorization.

78860907216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 78860907216 in words is "seventy-eight billion, eight hundred sixty million, nine hundred seven thousand, two hundred sixteen".