83921713152 has 48 divisors (see below), whose sum is σ = 223736614920. Its totient is φ = 27973902336.

The previous prime is 83921713093. The next prime is 83921713159. The reversal of 83921713152 is 25131712938.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83921713159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6823423 + ... + 6835710.

Almost surely, 2^83921713152 is an apocalyptic number.

It is an amenable number.

83921713152 is an abundant number, since it is smaller than the sum of its proper divisors (139814901768).

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

83921713152 is a wasteful number, since it uses less digits than its factorization.

83921713152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13659158 (or 13659138 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The spelling of 83921713152 in words is "eighty-three billion, nine hundred twenty-one million, seven hundred thirteen thousand, one hundred fifty-two".