86997862116 has 243 divisors, whose sum is σ = 250053946779. Its totient is φ = 25484025600.

The previous prime is 86997862103. The next prime is 86997862223. The reversal of 86997862116 is 61126879968.

The square root of 86997862116 is 294954.

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

It can be written as a sum of positive squares in 4 ways, for example, as 10888087716 + 76109774400 = 104346^2 + 275880^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 798145470 + ... + 798145578.

Almost surely, 2^86997862116 is an apocalyptic number.

86997862116 is the 294954-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86997862116

86997862116 is an abundant number, since it is smaller than the sum of its proper divisors (163056084663).

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

86997862116 is a wasteful number, since it uses less digits than its factorization.

86997862116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 166 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The spelling of 86997862116 in words is "eighty-six billion, nine hundred ninety-seven million, eight hundred sixty-two thousand, one hundred sixteen".