86844044868 has 24 divisors (see below), whose sum is σ = 231584119872. Its totient is φ = 24812584224.

The previous prime is 86844044863. The next prime is 86844044909.

It is a happy number.

86844044868 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (86844044863) 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 7 ways as a sum of consecutive naturals, for example, 516928755 + ... + 516928922.

It is an arithmetic number, because the mean of its divisors is an integer number (9649338328).

Almost surely, 2^86844044868 is an apocalyptic number.

It is an amenable number.

86844044868 is an abundant number, since it is smaller than the sum of its proper divisors (144740075004).

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

86844044868 is a wasteful number, since it uses less digits than its factorization.

86844044868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033857691 (or 1033857689 counting only the distinct ones).

The product of its (nonzero) digits is 37748736, while the sum is 60.

The spelling of 86844044868 in words is "eighty-six billion, eight hundred forty-four million, forty-four thousand, eight hundred sixty-eight".