83769685824 has 112 divisors (see below), whose sum is σ = 250127536320. Its totient is φ = 24509399040.

The previous prime is 83769685823. The next prime is 83769685871. The reversal of 83769685824 is 42858696738.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83769685823) by changing a digit.

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, 622609 + ... + 745104.

Almost surely, 2^83769685824 is an apocalyptic number.

It is an amenable number.

83769685824 is an abundant number, since it is smaller than the sum of its proper divisors (166357850496).

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

83769685824 is a wasteful number, since it uses less digits than its factorization.

83769685824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367768 (or 1367758 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 66.

The spelling of 83769685824 in words is "eighty-three billion, seven hundred sixty-nine million, six hundred eighty-five thousand, eight hundred twenty-four".