83988676864 has 81 divisors (see below), whose sum is σ = 171096258207. Its totient is φ = 41148099072.

The previous prime is 83988676861. The next prime is 83988676873. The reversal of 83988676864 is 46867688938.

The square root of 83988676864 is 289808.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83988676861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 273578599 + ... + 273578905.

Almost surely, 2^83988676864 is an apocalyptic number.

83988676864 is the 289808-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83988676864

83988676864 is an abundant number, since it is smaller than the sum of its proper divisors (87107581343).

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

83988676864 is an frugal number, since it uses more digits than its factorization.

83988676864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 368 counting only the distinct ones).

The product of its digits is 668860416, while the sum is 73.

The spelling of 83988676864 in words is "eighty-three billion, nine hundred eighty-eight million, six hundred seventy-six thousand, eight hundred sixty-four".