83502797952 has 128 divisors (see below), whose sum is σ = 255047132160. Its totient is φ = 23711450112.

The previous prime is 83502797927. The next prime is 83502797971. The reversal of 83502797952 is 25979720538.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 83502797892 and 83502797901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342853 + ... + 533435.

It is an arithmetic number, because the mean of its divisors is an integer number (1992555720).

Almost surely, 2^83502797952 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 83502797952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127523566080).

83502797952 is an abundant number, since it is smaller than the sum of its proper divisors (171544334208).

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

83502797952 is a wasteful number, since it uses less digits than its factorization.

83502797952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190770 (or 190758 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 83502797952 in words is "eighty-three billion, five hundred two million, seven hundred ninety-seven thousand, nine hundred fifty-two".