65479963 has 8 divisors (see below), whose sum is σ = 67658976. Its totient is φ = 63336000.

The previous prime is 65479949. The next prime is 65480003. The reversal of 65479963 is 36997456.

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 65479963 - 2¹³ = 65471771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65479943) 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, 4938 + ... + 12463.

It is an arithmetic number, because the mean of its divisors is an integer number (8457372).

Almost surely, 2^65479963 is an apocalyptic number.

65479963 is a deficient number, since it is larger than the sum of its proper divisors (2179013).

65479963 is a wasteful number, since it uses less digits than its factorization.

65479963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17525.

The product of its digits is 1224720, while the sum is 49.

The square root of 65479963 is about 8091.9690434405. The cubic root of 65479963 is about 403.0597907704.

The spelling of 65479963 in words is "sixty-five million, four hundred seventy-nine thousand, nine hundred sixty-three".