78816484124 has 60 divisors (see below), whose sum is σ = 170372908944. Its totient is φ = 31791457152.

The previous prime is 78816484013. The next prime is 78816484163. The reversal of 78816484124 is 42148461887.

It is a happy number.

It is a super-3 number, since 3×78816484124³ (a number of 34 digits) contains 333 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 19 ways as a sum of consecutive naturals, for example, 78104 + ... + 404639.

Almost surely, 2^78816484124 is an apocalyptic number.

It is an amenable number.

78816484124 is an abundant number, since it is smaller than the sum of its proper divisors (91556424820).

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

78816484124 is a wasteful number, since it uses less digits than its factorization.

78816484124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482792 (or 482769 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 53.

The spelling of 78816484124 in words is "seventy-eight billion, eight hundred sixteen million, four hundred eighty-four thousand, one hundred twenty-four".