64086685 has 32 divisors (see below), whose sum is σ = 89268480. Its totient is φ = 43742208.

The previous prime is 64086679. The next prime is 64086689. The reversal of 64086685 is 58668046.

It is a cyclic number.

It is not a de Polignac number, because 64086685 - 2¹¹ = 64084637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64086689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64704 + ... + 65686.

It is an arithmetic number, because the mean of its divisors is an integer number (2789640).

Almost surely, 2^64086685 is an apocalyptic number.

64086685 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64086685 is a deficient number, since it is larger than the sum of its proper divisors (25181795).

64086685 is a wasteful number, since it uses less digits than its factorization.

64086685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 64086685 is about 8005.4159791981. The cubic root of 64086685 is about 400.1805122760.

The spelling of 64086685 in words is "sixty-four million, eighty-six thousand, six hundred eighty-five".