86820604 has 12 divisors (see below), whose sum is σ = 163623544. Its totient is φ = 40071024.

The previous prime is 86820593. The next prime is 86820619. The reversal of 86820604 is 40602868.

It is a self number, because there is not a number n which added to its sum of digits gives 86820604.

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, 834762 + ... + 834865.

Almost surely, 2^86820604 is an apocalyptic number.

It is an amenable number.

86820604 is a deficient number, since it is larger than the sum of its proper divisors (76802940).

86820604 is a wasteful number, since it uses less digits than its factorization.

86820604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669644 (or 1669642 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 86820604 is about 9317.7574555254. The cubic root of 86820604 is about 442.7999885212.

The spelling of 86820604 in words is "eighty-six million, eight hundred twenty thousand, six hundred four".