86685787840168 has 64 divisors (see below), whose sum is σ = 178712187494400. Its totient is φ = 39091456797120.

The previous prime is 86685787840153. The next prime is 86685787840199. The reversal of 86685787840168 is 86104878758668.

It is a junction number, because it is equal to n+sod(n) for n = 86685787840091 and 86685787840100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761553963 + ... + 761667781.

It is an arithmetic number, because the mean of its divisors is an integer number (2792377929600).

Almost surely, 2^{86685787840168} is an apocalyptic number.

86685787840168 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

86685787840168 is an abundant number, since it is smaller than the sum of its proper divisors (92026399654232).

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

86685787840168 is a wasteful number, since it uses less digits than its factorization.

86685787840168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182110 (or 182106 counting only the distinct ones).

The product of its (nonzero) digits is 6936330240, while the sum is 82.

The spelling of 86685787840168 in words is "eighty-six trillion, six hundred eighty-five billion, seven hundred eighty-seven million, eight hundred forty thousand, one hundred sixty-eight".