86678361 has 96 divisors (see below), whose sum is σ = 170726400. Its totient is φ = 41005440.

The previous prime is 86678353. The next prime is 86678381. The reversal of 86678361 is 16387668.

86678361 is a nontrivial binomial coefficient, being equal to C(13167, 2).

It is not a de Polignac number, because 86678361 - 2³ = 86678353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86678321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 381730 + ... + 381956.

It is an arithmetic number, because the mean of its divisors is an integer number (1778400).

Almost surely, 2^86678361 is an apocalyptic number.

86678361 is the 13166-th triangular number.

It is an amenable number.

86678361 is a deficient number, since it is larger than the sum of its proper divisors (84048039).

86678361 is a wasteful number, since it uses less digits than its factorization.

86678361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 296 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 86678361 is about 9310.1214277796. The cubic root of 86678361 is about 442.5580350962.

The spelling of 86678361 in words is "eighty-six million, six hundred seventy-eight thousand, three hundred sixty-one".