78152307566268 has 48 divisors (see below), whose sum is σ = 196454684069280. Its totient is φ = 24038052132864.

The previous prime is 78152307566243. The next prime is 78152307566429. The reversal of 78152307566268 is 86266570325187.

It is a super-2 number, since 2×78152307566268² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78152307566199 and 78152307566208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91361805 + ... + 92213252.

It is an arithmetic number, because the mean of its divisors is an integer number (4092805918110).

Almost surely, 2^{78152307566268} is an apocalyptic number.

78152307566268 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

78152307566268 is an abundant number, since it is smaller than the sum of its proper divisors (118302376503012).

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

78152307566268 is a wasteful number, since it uses less digits than its factorization.

78152307566268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183577806 (or 183577804 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 66.

The spelling of 78152307566268 in words is "seventy-eight trillion, one hundred fifty-two billion, three hundred seven million, five hundred sixty-six thousand, two hundred sixty-eight".