182778373312 has 56 divisors (see below), whose sum is σ = 377093988000. Its totient is φ = 87794251776.

The previous prime is 182778373307. The next prime is 182778373313. The reversal of 182778373312 is 213373877281.

It is a self number, because there is not a number n which added to its sum of digits gives 182778373312.

It is not an unprimeable number, because it can be changed into a prime (182778373313) 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, 121908 + ... + 616780.

Almost surely, 2^182778373312 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 182778373312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188546994000).

182778373312 is an abundant number, since it is smaller than the sum of its proper divisors (194315614688).

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

182778373312 is a wasteful number, since it uses less digits than its factorization.

182778373312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495113 (or 495103 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 52.

The spelling of 182778373312 in words is "one hundred eighty-two billion, seven hundred seventy-eight million, three hundred seventy-three thousand, three hundred twelve".