178428879312 has 40 divisors (see below), whose sum is σ = 485201340960. Its totient is φ = 56345961600.

The previous prime is 178428879281. The next prime is 178428879319. The reversal of 178428879312 is 213978824871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (178428879319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97821939 + ... + 97823762.

It is an arithmetic number, because the mean of its divisors is an integer number (12130033524).

Almost surely, 2^178428879312 is an apocalyptic number.

178428879312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

178428879312 is an abundant number, since it is smaller than the sum of its proper divisors (306772461648).

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

178428879312 is a wasteful number, since it uses less digits than its factorization.

178428879312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195645731 (or 195645725 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 60.

The spelling of 178428879312 in words is "one hundred seventy-eight billion, four hundred twenty-eight million, eight hundred seventy-nine thousand, three hundred twelve".