385179876396 has 216 divisors, whose sum is σ = 1243655287056. Its totient is φ = 103577564160.

The previous prime is 385179876377. The next prime is 385179876407. The reversal of 385179876396 is 693678971583.

385179876396 is a `hidden beast` number, since 3 + 8 + 517 + 9 + 8 + 76 + 39 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 571816 + ... + 1047536.

It is an arithmetic number, because the mean of its divisors is an integer number (5757663366).

Almost surely, 2^385179876396 is an apocalyptic number.

385179876396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385179876396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621827643528).

385179876396 is an abundant number, since it is smaller than the sum of its proper divisors (858475410660).

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

385179876396 is a wasteful number, since it uses less digits than its factorization.

385179876396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475771 (or 475750 counting only the distinct ones).

The product of its digits is 411505920, while the sum is 72.

The spelling of 385179876396 in words is "three hundred eighty-five billion, one hundred seventy-nine million, eight hundred seventy-six thousand, three hundred ninety-six".