78152307566156 has 12 divisors (see below), whose sum is σ = 137460784629168. Its totient is φ = 38877797672112.

The previous prime is 78152307566141. The next prime is 78152307566213. The reversal of 78152307566156 is 65166570325187.

It is a super-2 number, since 2×78152307566156² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49589026856 + ... + 49589028431.

It is an arithmetic number, because the mean of its divisors is an integer number (11455065385764).

Almost surely, 2^{78152307566156} is an apocalyptic number.

It is an amenable number.

78152307566156 is a deficient number, since it is larger than the sum of its proper divisors (59308477063012).

78152307566156 is a wasteful number, since it uses less digits than its factorization.

78152307566156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99178055488 (or 99178055486 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 62.

The spelling of 78152307566156 in words is "seventy-eight trillion, one hundred fifty-two billion, three hundred seven million, five hundred sixty-six thousand, one hundred fifty-six".