83591968432 has 20 divisors (see below), whose sum is σ = 185096501776. Its totient is φ = 35825129280.

The previous prime is 83591968417. The next prime is 83591968433. The reversal of 83591968432 is 23486919538.

It is not an unprimeable number, because it can be changed into a prime (83591968433) 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 3 ways as a sum of consecutive naturals, for example, 373178319 + ... + 373178542.

Almost surely, 2^83591968432 is an apocalyptic number.

It is an amenable number.

83591968432 is an abundant number, since it is smaller than the sum of its proper divisors (101504533344).

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

83591968432 is a wasteful number, since it uses less digits than its factorization.

83591968432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746356876 (or 746356870 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 58.

It can be divided in two parts, 8359 and 1968432, that added together give a palindrome (1976791).

The spelling of 83591968432 in words is "eighty-three billion, five hundred ninety-one million, nine hundred sixty-eight thousand, four hundred thirty-two".