64086867 has 48 divisors (see below), whose sum is σ = 106229760. Its totient is φ = 36904896.

The previous prime is 64086859. The next prime is 64086871. The reversal of 64086867 is 76868046.

It is a happy number.

It is not a de Polignac number, because 64086867 - 2³ = 64086859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64086817) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 282208 + ... + 282434.

It is an arithmetic number, because the mean of its divisors is an integer number (2213120).

Almost surely, 2^64086867 is an apocalyptic number.

64086867 is a deficient number, since it is larger than the sum of its proper divisors (42142893).

64086867 is a wasteful number, since it uses less digits than its factorization.

64086867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 64086867 is about 8005.4273464944. The cubic root of 64086867 is about 400.1808911004.

The spelling of 64086867 in words is "sixty-four million, eighty-six thousand, eight hundred sixty-seven".