78530805723118 has 8 divisors (see below), whose sum is σ = 134624238382512. Its totient is φ = 33656059595616.

The previous prime is 78530805723107. The next prime is 78530805723169. The reversal of 78530805723118 is 81132750803587.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2804671632955 + ... + 2804671632982.

It is an arithmetic number, because the mean of its divisors is an integer number (16828029797814).

Almost surely, 2^{78530805723118} is an apocalyptic number.

78530805723118 is a deficient number, since it is larger than the sum of its proper divisors (56093432659394).

78530805723118 is a wasteful number, since it uses less digits than its factorization.

78530805723118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609343265946.

The product of its (nonzero) digits is 11289600, while the sum is 58.

The spelling of 78530805723118 in words is "seventy-eight trillion, five hundred thirty billion, eight hundred five million, seven hundred twenty-three thousand, one hundred eighteen".