86686734008 has 16 divisors (see below), whose sum is σ = 185757287280. Its totient is φ = 37151457408.

The previous prime is 86686733957. The next prime is 86686734023. The reversal of 86686734008 is 80043768668.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 1547977393 = 86686734008 / (8 + 6 + 6 + 8 + 6 + 7 + 3 + 4 + 0 + 0 + 8).

It is a congruent number.

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, 773988641 + ... + 773988752.

It is an arithmetic number, because the mean of its divisors is an integer number (11609830455).

Almost surely, 2^86686734008 is an apocalyptic number.

It is an amenable number.

86686734008 is an abundant number, since it is smaller than the sum of its proper divisors (99070553272).

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

86686734008 is a wasteful number, since it uses less digits than its factorization.

86686734008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547977406 (or 1547977402 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 86686734008 in words is "eighty-six billion, six hundred eighty-six million, seven hundred thirty-four thousand, eight".