78133812118 has 8 divisors (see below), whose sum is σ = 122296401648. Its totient is φ = 37368344904.

The previous prime is 78133812091. The next prime is 78133812121. The reversal of 78133812118 is 81121833187.

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

It is a super-2 number, since 2×78133812118² (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, 849280521 + ... + 849280612.

It is an arithmetic number, because the mean of its divisors is an integer number (15287050206).

Almost surely, 2^78133812118 is an apocalyptic number.

78133812118 is a deficient number, since it is larger than the sum of its proper divisors (44162589530).

78133812118 is a wasteful number, since it uses less digits than its factorization.

78133812118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698561158.

The product of its digits is 64512, while the sum is 43.

The spelling of 78133812118 in words is "seventy-eight billion, one hundred thirty-three million, eight hundred twelve thousand, one hundred eighteen".