78216344476008 has 64 divisors (see below), whose sum is σ = 200089793756160. Its totient is φ = 25465599397056.

The previous prime is 78216344476003. The next prime is 78216344476027. The reversal of 78216344476008 is 80067444361287.

78216344476008 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×78216344476008² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78216344476003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243605191 + ... + 243926057.

It is an arithmetic number, because the mean of its divisors is an integer number (3126403027440).

Almost surely, 2^{78216344476008} is an apocalyptic number.

It is an amenable number.

78216344476008 is an abundant number, since it is smaller than the sum of its proper divisors (121873449280152).

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

78216344476008 is a wasteful number, since it uses less digits than its factorization.

78216344476008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557126 (or 557122 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 60.

The spelling of 78216344476008 in words is "seventy-eight trillion, two hundred sixteen billion, three hundred forty-four million, four hundred seventy-six thousand, eight".