78136848147108 has 72 divisors (see below), whose sum is σ = 194116016987200. Its totient is φ = 24457681055232.

The previous prime is 78136848147097. The next prime is 78136848147121. The reversal of 78136848147108 is 80174184863187.

78136848147108 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 2×78136848147108² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24139063 + ... + 27183966.

Almost surely, 2^{78136848147108} is an apocalyptic number.

It is an amenable number.

78136848147108 is an abundant number, since it is smaller than the sum of its proper divisors (115979168840092).

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

78136848147108 is a wasteful number, since it uses less digits than its factorization.

78136848147108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51323509 (or 51323490 counting only the distinct ones).

The product of its (nonzero) digits is 57802752, while the sum is 66.

The spelling of 78136848147108 in words is "seventy-eight trillion, one hundred thirty-six billion, eight hundred forty-eight million, one hundred forty-seven thousand, one hundred eight".