86843946147 has 16 divisors (see below), whose sum is σ = 132381169920. Its totient is φ = 49607285472.

The previous prime is 86843946143. The next prime is 86843946179. The reversal of 86843946147 is 74164934868.

It is not a de Polignac number, because 86843946147 - 2² = 86843946143 is a prime.

It is a super-2 number, since 2×86843946147² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86843946143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682813 + ... + 799950.

It is an arithmetic number, because the mean of its divisors is an integer number (8273823120).

Almost surely, 2^86843946147 is an apocalyptic number.

86843946147 is a deficient number, since it is larger than the sum of its proper divisors (45537223773).

86843946147 is a wasteful number, since it uses less digits than its factorization.

86843946147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485562.

The product of its digits is 27869184, while the sum is 60.

The spelling of 86843946147 in words is "eighty-six billion, eight hundred forty-three million, nine hundred forty-six thousand, one hundred forty-seven".