83464384820 has 12 divisors (see below), whose sum is σ = 175275208164. Its totient is φ = 33385753920.

The previous prime is 83464384819. The next prime is 83464384837. The reversal of 83464384820 is 2848346438.

It can be written as a sum of positive squares in 2 ways, for example, as 60813532816 + 22650852004 = 246604^2 + 150502^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2086609601 + ... + 2086609640.

It is an arithmetic number, because the mean of its divisors is an integer number (14606267347).

Almost surely, 2^83464384820 is an apocalyptic number.

It is an amenable number.

83464384820 is an abundant number, since it is smaller than the sum of its proper divisors (91810823344).

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

83464384820 is a wasteful number, since it uses less digits than its factorization.

83464384820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173219250 (or 4173219248 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 50.

The spelling of 83464384820 in words is "eighty-three billion, four hundred sixty-four million, three hundred eighty-four thousand, eight hundred twenty".