178082857812 has 48 divisors (see below), whose sum is σ = 420029955072. Its totient is φ = 58718716800.

The previous prime is 178082857769. The next prime is 178082857853. The reversal of 178082857812 is 218758280871.

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 15 ways as a sum of consecutive naturals, for example, 1249858 + ... + 1385030.

It is an arithmetic number, because the mean of its divisors is an integer number (8750624064).

Almost surely, 2^178082857812 is an apocalyptic number.

178082857812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

178082857812 is an abundant number, since it is smaller than the sum of its proper divisors (241947097260).

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

178082857812 is a wasteful number, since it uses less digits than its factorization.

178082857812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136368 (or 136366 counting only the distinct ones).

The product of its (nonzero) digits is 4014080, while the sum is 57.

The spelling of 178082857812 in words is "one hundred seventy-eight billion, eighty-two million, eight hundred fifty-seven thousand, eight hundred twelve".