65887413 has 4 divisors (see below), whose sum is σ = 87849888. Its totient is φ = 43924940.

The previous prime is 65887411. The next prime is 65887441. The reversal of 65887413 is 31478856.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65887413 - 2¹ = 65887411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65887411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10981233 + ... + 10981238.

It is an arithmetic number, because the mean of its divisors is an integer number (21962472).

Almost surely, 2^65887413 is an apocalyptic number.

It is an amenable number.

65887413 is a deficient number, since it is larger than the sum of its proper divisors (21962475).

65887413 is a wasteful number, since it uses less digits than its factorization.

65887413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21962474.

The product of its digits is 161280, while the sum is 42.

The square root of 65887413 is about 8117.1061961761. The cubic root of 65887413 is about 403.8940777929.

The spelling of 65887413 in words is "sixty-five million, eight hundred eighty-seven thousand, four hundred thirteen".