385886783412 has 288 divisors, whose sum is σ = 1079781248000. Its totient is φ = 116170329600.

The previous prime is 385886783411. The next prime is 385886783453. The reversal of 385886783412 is 214387688583.

385886783412 is a `hidden beast` number, since 3 + 8 + 5 + 88 + 67 + 83 + 412 = 666.

It is a super-2 number, since 2×385886783412² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 385886783412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385886783411) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 943488264 + ... + 943488672.

Almost surely, 2^385886783412 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 385886783412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539890624000).

385886783412 is an abundant number, since it is smaller than the sum of its proper divisors (693894464588).

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

385886783412 is a wasteful number, since it uses less digits than its factorization.

385886783412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 657 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The spelling of 385886783412 in words is "three hundred eighty-five billion, eight hundred eighty-six million, seven hundred eighty-three thousand, four hundred twelve".