83516986436 has 48 divisors (see below), whose sum is σ = 172402881840. Its totient is φ = 35027865600.

The previous prime is 83516986417. The next prime is 83516986463. The reversal of 83516986436 is 63468961538.

It can be written as a sum of positive squares in 8 ways, for example, as 3006328900 + 80510657536 = 54830^2 + 283744^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1603265 + ... + 1654536.

It is an arithmetic number, because the mean of its divisors is an integer number (3591726705).

Almost surely, 2^83516986436 is an apocalyptic number.

It is an amenable number.

83516986436 is an abundant number, since it is smaller than the sum of its proper divisors (88885895404).

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

83516986436 is a wasteful number, since it uses less digits than its factorization.

83516986436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257864 (or 3257862 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 59.

The spelling of 83516986436 in words is "eighty-three billion, five hundred sixteen million, nine hundred eighty-six thousand, four hundred thirty-six".