64486287 has 20 divisors (see below), whose sum is σ = 102000096. Its totient is φ = 40461120.

The previous prime is 64486267. The next prime is 64486297. The reversal of 64486287 is 78268446.

It is not a de Polignac number, because 64486287 - 2⁷ = 64486159 is a prime.

It is a super-2 number, since 2×64486287² = 8316962422092738, which contains 22 as substring.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64486217) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22039 + ... + 24792.

Almost surely, 2^64486287 is an apocalyptic number.

64486287 is a deficient number, since it is larger than the sum of its proper divisors (37513809).

64486287 is a wasteful number, since it uses less digits than its factorization.

64486287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46860 (or 46851 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 64486287 is about 8030.3354226334. The cubic root of 64486287 is about 401.0105427750.

The spelling of 64486287 in words is "sixty-four million, four hundred eighty-six thousand, two hundred eighty-seven".