86804686 has 16 divisors (see below), whose sum is σ = 138393360. Its totient is φ = 40693120.

The previous prime is 86804651. The next prime is 86804687. The reversal of 86804686 is 68640868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86804687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4401 + ... + 13891.

It is an arithmetic number, because the mean of its divisors is an integer number (8649585).

Almost surely, 2^86804686 is an apocalyptic number.

86804686 is a deficient number, since it is larger than the sum of its proper divisors (51588674).

86804686 is a wasteful number, since it uses less digits than its factorization.

86804686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9779.

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 86804686 is about 9316.9032408843. The cubic root of 86804686 is about 442.7729253561.

It can be divided in two parts, 8680 and 4686, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 86804686 in words is "eighty-six million, eight hundred four thousand, six hundred eighty-six".