83755961292 has 24 divisors (see below), whose sum is σ = 195449196096. Its totient is φ = 27915993808.

The previous prime is 83755961287. The next prime is 83755961323. The reversal of 83755961292 is 29216955738.

It is a happy number.

It is a super-2 number, since 2×83755961292² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199158 + ... + 455165.

It is an arithmetic number, because the mean of its divisors is an integer number (8143716504).

Almost surely, 2^83755961292 is an apocalyptic number.

It is an amenable number.

83755961292 is an abundant number, since it is smaller than the sum of its proper divisors (111693234804).

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

83755961292 is a wasteful number, since it uses less digits than its factorization.

83755961292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664997 (or 664995 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 57.

The spelling of 83755961292 in words is "eighty-three billion, seven hundred fifty-five million, nine hundred sixty-one thousand, two hundred ninety-two".