65960477 has 4 divisors (see below), whose sum is σ = 71956896. Its totient is φ = 59964060.

The previous prime is 65960441. The next prime is 65960483. The reversal of 65960477 is 77406956.

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 65960477 - 2²⁰ = 64911901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65960417) 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, 2998193 + ... + 2998214.

It is an arithmetic number, because the mean of its divisors is an integer number (17989224).

Almost surely, 2^65960477 is an apocalyptic number.

It is an amenable number.

65960477 is a deficient number, since it is larger than the sum of its proper divisors (5996419).

65960477 is a wasteful number, since it uses less digits than its factorization.

65960477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5996418.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 65960477 is about 8121.6055678665. The cubic root of 65960477 is about 404.0433183136.

The spelling of 65960477 in words is "sixty-five million, nine hundred sixty thousand, four hundred seventy-seven".