78813491168 has 48 divisors (see below), whose sum is σ = 161987364000. Its totient is φ = 37698780672.

The previous prime is 78813491131. The next prime is 78813491219. The reversal of 78813491168 is 86119431887.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288428 + ... + 490731.

It is an arithmetic number, because the mean of its divisors is an integer number (3374736750).

Almost surely, 2^78813491168 is an apocalyptic number.

It is an amenable number.

78813491168 is an abundant number, since it is smaller than the sum of its proper divisors (83173872832).

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

78813491168 is a wasteful number, since it uses less digits than its factorization.

78813491168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779307 (or 779299 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 56.

The spelling of 78813491168 in words is "seventy-eight billion, eight hundred thirteen million, four hundred ninety-one thousand, one hundred sixty-eight".