83449849252 has 72 divisors (see below), whose sum is σ = 185507038080. Its totient is φ = 32480763840.

The previous prime is 83449849201. The next prime is 83449849277. The reversal of 83449849252 is 25294894438.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2221458 + ... + 2258710.

It is an arithmetic number, because the mean of its divisors is an integer number (2576486640).

Almost surely, 2^83449849252 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 83449849252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92753519040).

83449849252 is an abundant number, since it is smaller than the sum of its proper divisors (102057188828).

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

83449849252 is a wasteful number, since it uses less digits than its factorization.

83449849252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38321 (or 38312 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 58.

The spelling of 83449849252 in words is "eighty-three billion, four hundred forty-nine million, eight hundred forty-nine thousand, two hundred fifty-two".