78758959104 has 864 divisors, whose sum is σ = 285475881600. Its totient is φ = 20808990720.

The previous prime is 78758959093. The next prime is 78758959171. The reversal of 78758959104 is 40195985787.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 811947984 + ... + 811948080.

It is an arithmetic number, because the mean of its divisors is an integer number (330411900).

Almost surely, 2^78758959104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78758959104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142737940800).

78758959104 is an abundant number, since it is smaller than the sum of its proper divisors (206716922496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78758959104 is a wasteful number, since it uses less digits than its factorization.

78758959104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 63.

The spelling of 78758959104 in words is "seventy-eight billion, seven hundred fifty-eight million, nine hundred fifty-nine thousand, one hundred four".