83979169632 has 480 divisors, whose sum is σ = 262826403840. Its totient is φ = 26269194240.

The previous prime is 83979169609. The next prime is 83979169633. The reversal of 83979169632 is 23696197938.

It is a self number, because there is not a number n which added to its sum of digits gives 83979169632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83979169633) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 604166619 + ... + 604166757.

It is an arithmetic number, because the mean of its divisors is an integer number (547555008).

Almost surely, 2^83979169632 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 83979169632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131413201920).

83979169632 is an abundant number, since it is smaller than the sum of its proper divisors (178847234208).

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

83979169632 is a wasteful number, since it uses less digits than its factorization.

83979169632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 351 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 63.

The spelling of 83979169632 in words is "eighty-three billion, nine hundred seventy-nine million, one hundred sixty-nine thousand, six hundred thirty-two".