65676477 has 16 divisors (see below), whose sum is σ = 91698048. Its totient is φ = 41733120.

The previous prime is 65676473. The next prime is 65676497. The reversal of 65676477 is 77467656.

It is not a de Polignac number, because 65676477 - 2² = 65676473 is a prime.

It is a super-2 number, since 2×65676477² = 8626799262263058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65676473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20077 + ... + 23117.

It is an arithmetic number, because the mean of its divisors is an integer number (5731128).

Almost surely, 2^65676477 is an apocalyptic number.

It is an amenable number.

65676477 is a deficient number, since it is larger than the sum of its proper divisors (26021571).

65676477 is a wasteful number, since it uses less digits than its factorization.

65676477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380.

The product of its digits is 1481760, while the sum is 48.

The square root of 65676477 is about 8104.1024796087. The cubic root of 65676477 is about 403.4625999310.

The spelling of 65676477 in words is "sixty-five million, six hundred seventy-six thousand, four hundred seventy-seven".