78216084167332 has 6 divisors (see below), whose sum is σ = 136878147292838. Its totient is φ = 39108042083664.

The previous prime is 78216084167327. The next prime is 78216084167363. The reversal of 78216084167332 is 23376148061287.

It can be written as a sum of positive squares in only one way, i.e., 61832807931456 + 16383276235876 = 7863384^2 + 4047626^2 .

It is a super-2 number, since 2×78216084167332² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9777010520913 + ... + 9777010520920.

Almost surely, 2^{78216084167332} is an apocalyptic number.

It is an amenable number.

78216084167332 is a deficient number, since it is larger than the sum of its proper divisors (58662063125506).

78216084167332 is a wasteful number, since it uses less digits than its factorization.

78216084167332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19554021041837 (or 19554021041835 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 78216084167332 in words is "seventy-eight trillion, two hundred sixteen billion, eighty-four million, one hundred sixty-seven thousand, three hundred thirty-two".