65587487 has 8 divisors (see below), whose sum is σ = 78902400. Its totient is φ = 53258904.

The previous prime is 65587391. The next prime is 65587549. The reversal of 65587487 is 78478556.

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 65587487 - 2¹² = 65583391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65587187) 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, 246437 + ... + 246702.

It is an arithmetic number, because the mean of its divisors is an integer number (9862800).

Almost surely, 2^65587487 is an apocalyptic number.

65587487 is a deficient number, since it is larger than the sum of its proper divisors (13314913).

65587487 is a wasteful number, since it uses less digits than its factorization.

65587487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493165.

The product of its digits is 1881600, while the sum is 50.

The square root of 65587487 is about 8098.6101894090. The cubic root of 65587487 is about 403.2802902872.

The spelling of 65587487 in words is "sixty-five million, five hundred eighty-seven thousand, four hundred eighty-seven".