65628479 has 16 divisors (see below), whose sum is σ = 78304320. Its totient is φ = 53813760.

The previous prime is 65628463. The next prime is 65628481. The reversal of 65628479 is 97482656.

It is not a de Polignac number, because 65628479 - 2⁴ = 65628463 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 (65628379) 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 15 ways as a sum of consecutive naturals, for example, 21509 + ... + 24369.

It is an arithmetic number, because the mean of its divisors is an integer number (4894020).

Almost surely, 2^65628479 is an apocalyptic number.

65628479 is a deficient number, since it is larger than the sum of its proper divisors (12675841).

65628479 is a wasteful number, since it uses less digits than its factorization.

65628479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010.

The product of its digits is 725760, while the sum is 47.

The square root of 65628479 is about 8101.1405987058. The cubic root of 65628479 is about 403.3642891494.

The spelling of 65628479 in words is "sixty-five million, six hundred twenty-eight thousand, four hundred seventy-nine".