78152027001618 has 8 divisors (see below), whose sum is σ = 156304054003248. Its totient is φ = 26050675667204.

The previous prime is 78152027001569. The next prime is 78152027001619. The reversal of 78152027001618 is 81610072025187.

It is a sphenic number, since it is the product of 3 distinct primes.

78152027001618 is an admirable number.

It is a super-2 number, since 2×78152027001618² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78152027001619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6512668916796 + ... + 6512668916807.

It is an arithmetic number, because the mean of its divisors is an integer number (19538006750406).

Almost surely, 2^{78152027001618} is an apocalyptic number.

78152027001618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78152027001618 is a wasteful number, since it uses less digits than its factorization.

78152027001618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13025337833608.

The product of its (nonzero) digits is 376320, while the sum is 48.

The spelling of 78152027001618 in words is "seventy-eight trillion, one hundred fifty-two billion, twenty-seven million, one thousand, six hundred eighteen".