86700685 has 32 divisors (see below), whose sum is σ = 112907520. Its totient is φ = 63748608.

The previous prime is 86700673. The next prime is 86700701. The reversal of 86700685 is 58600768.

It is a cyclic number.

It is not a de Polignac number, because 86700685 - 2⁷ = 86700557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440007 + ... + 440203.

It is an arithmetic number, because the mean of its divisors is an integer number (3528360).

Almost surely, 2^86700685 is an apocalyptic number.

It is an amenable number.

86700685 is a deficient number, since it is larger than the sum of its proper divisors (26206835).

86700685 is a wasteful number, since it uses less digits than its factorization.

86700685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 86700685 is about 9311.3202608438. The cubic root of 86700685 is about 442.5960254221.

The spelling of 86700685 in words is "eighty-six million, seven hundred thousand, six hundred eighty-five".