86786247812 has 12 divisors (see below), whose sum is σ = 165682836816. Its totient is φ = 39448294440.

The previous prime is 86786247803. The next prime is 86786247841. The reversal of 86786247812 is 21874268768.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 986207318 + ... + 986207405.

It is an arithmetic number, because the mean of its divisors is an integer number (13806903068).

Almost surely, 2^86786247812 is an apocalyptic number.

It is an amenable number.

86786247812 is a deficient number, since it is larger than the sum of its proper divisors (78896589004).

86786247812 is a wasteful number, since it uses less digits than its factorization.

86786247812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972414738 (or 1972414736 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 59.

The spelling of 86786247812 in words is "eighty-six billion, seven hundred eighty-six million, two hundred forty-seven thousand, eight hundred twelve".