86699842344 has 80 divisors (see below), whose sum is σ = 251213678100. Its totient is φ = 27903391488.

The previous prime is 86699842309. The next prime is 86699842357. The reversal of 86699842344 is 44324899668.

86699842344 is a `hidden beast` number, since 86 + 6 + 9 + 98 + 423 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 85461506244 + 1238336100 = 292338^2 + 35190^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2288037 + ... + 2325620.

Almost surely, 2^86699842344 is an apocalyptic number.

It is an amenable number.

86699842344 is an abundant number, since it is smaller than the sum of its proper divisors (164513835756).

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

86699842344 is a wasteful number, since it uses less digits than its factorization.

86699842344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613704 (or 4613691 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 63.

The spelling of 86699842344 in words is "eighty-six billion, six hundred ninety-nine million, eight hundred forty-two thousand, three hundred forty-four".