78281182612 has 12 divisors (see below), whose sum is σ = 136994074560. Its totient is φ = 39140018456.

The previous prime is 78281182607. The next prime is 78281182627. The reversal of 78281182612 is 21628118287.

It is a super-2 number, since 2×78281182612² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363303 + ... + 537169.

It is an arithmetic number, because the mean of its divisors is an integer number (11416172880).

Almost surely, 2^78281182612 is an apocalyptic number.

It is an amenable number.

78281182612 is a deficient number, since it is larger than the sum of its proper divisors (58712891948).

78281182612 is a wasteful number, since it uses less digits than its factorization.

78281182612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286430 (or 286428 counting only the distinct ones).

The product of its digits is 172032, while the sum is 46.

The spelling of 78281182612 in words is "seventy-eight billion, two hundred eighty-one million, one hundred eighty-two thousand, six hundred twelve".