83999949269652 has 144 divisors (see below), whose sum is σ = 236208338376192. Its totient is φ = 24994857726720.

The previous prime is 83999949269617. The next prime is 83999949269711. The reversal of 83999949269652 is 25696294999938.

It is a happy number.

83999949269652 is a `hidden beast` number, since 8 + 3 + 9 + 9 + 9 + 9 + 492 + 69 + 6 + 52 = 666.

It is a super-2 number, since 2×83999949269652² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18674218 + ... + 22731614.

It is an arithmetic number, because the mean of its divisors is an integer number (1640335683168).

Almost surely, 2^{83999949269652} 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 83999949269652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118104169188096).

83999949269652 is an abundant number, since it is smaller than the sum of its proper divisors (152208389106540).

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

83999949269652 is a wasteful number, since it uses less digits than its factorization.

83999949269652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058878 (or 4058873 counting only the distinct ones).

The product of its digits is 36733201920, while the sum is 90.

The spelling of 83999949269652 in words is "eighty-three trillion, nine hundred ninety-nine billion, nine hundred forty-nine million, two hundred sixty-nine thousand, six hundred fifty-two".