8685507 has 4 divisors (see below), whose sum is σ = 11580680. Its totient is φ = 5790336.

The previous prime is 8685493. The next prime is 8685517. The reversal of 8685507 is 7055868.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8685507 - 2⁷ = 8685379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8685517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1447582 + ... + 1447587.

It is an arithmetic number, because the mean of its divisors is an integer number (2895170).

Almost surely, 2^8685507 is an apocalyptic number.

8685507 is a deficient number, since it is larger than the sum of its proper divisors (2895173).

8685507 is a wasteful number, since it uses less digits than its factorization.

8685507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895172.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 8685507 is about 2947.1184231381. The cubic root of 8685507 is about 205.5567416321.

The spelling of 8685507 in words is "eight million, six hundred eighty-five thousand, five hundred seven".