78375969814 has 8 divisors (see below), whose sum is σ = 117584196480. Its totient is φ = 39181237656.

The previous prime is 78375969797. The next prime is 78375969823. The reversal of 78375969814 is 41896957387.

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

It is a super-2 number, since 2×78375969814² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78375969814.

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, 3359094 + ... + 3382345.

It is an arithmetic number, because the mean of its divisors is an integer number (14698024560).

Almost surely, 2^78375969814 is an apocalyptic number.

78375969814 is a deficient number, since it is larger than the sum of its proper divisors (39208226666).

78375969814 is a wasteful number, since it uses less digits than its factorization.

78375969814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6747254.

The product of its digits is 91445760, while the sum is 67.

The spelling of 78375969814 in words is "seventy-eight billion, three hundred seventy-five million, nine hundred sixty-nine thousand, eight hundred fourteen".