78676154176 has 56 divisors (see below), whose sum is σ = 159403474944. Its totient is φ = 38519900160.

The previous prime is 78676154147. The next prime is 78676154189. The reversal of 78676154176 is 67145167687.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 78676154176.

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 7 ways as a sum of consecutive naturals, for example, 534721 + ... + 665791.

It is an arithmetic number, because the mean of its divisors is an integer number (2846490624).

Almost surely, 2^78676154176 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 78676154176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79701737472).

78676154176 is an abundant number, since it is smaller than the sum of its proper divisors (80727320768).

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

78676154176 is a wasteful number, since it uses less digits than its factorization.

78676154176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131279 (or 131269 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 58.

The spelling of 78676154176 in words is "seventy-eight billion, six hundred seventy-six million, one hundred fifty-four thousand, one hundred seventy-six".