83429639328 has 192 divisors, whose sum is σ = 258649251840. Its totient is φ = 23042534400.

The previous prime is 83429639317. The next prime is 83429639341. The reversal of 83429639328 is 82393692438.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26225898 + ... + 26229078.

It is an arithmetic number, because the mean of its divisors is an integer number (1347131520).

Almost surely, 2^83429639328 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 83429639328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129324625920).

83429639328 is an abundant number, since it is smaller than the sum of its proper divisors (175219612512).

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

83429639328 is a wasteful number, since it uses less digits than its factorization.

83429639328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491 (or 4483 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 57.

The spelling of 83429639328 in words is "eighty-three billion, four hundred twenty-nine million, six hundred thirty-nine thousand, three hundred twenty-eight".