64012287 has 8 divisors (see below), whose sum is σ = 86960304. Its totient is φ = 41869568.

The previous prime is 64012253. The next prime is 64012297. The reversal of 64012287 is 78221046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64012287 - 2¹¹ = 64010239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64012217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201138 + ... + 201455.

It is an arithmetic number, because the mean of its divisors is an integer number (10870038).

Almost surely, 2^64012287 is an apocalyptic number.

64012287 is a deficient number, since it is larger than the sum of its proper divisors (22948017).

64012287 is a wasteful number, since it uses less digits than its factorization.

64012287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402649.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 64012287 is about 8000.7679006455. The cubic root of 64012287 is about 400.0255962787.

The spelling of 64012287 in words is "sixty-four million, twelve thousand, two hundred eighty-seven".