65855479 has 8 divisors (see below), whose sum is σ = 66588768. Its totient is φ = 65126400.

The previous prime is 65855459. The next prime is 65855483. The reversal of 65855479 is 97455856.

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 65855479 - 2⁹ = 65854967 is a prime.

It is a super-2 number, since 2×65855479² = 8673888228638882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65855459) 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, 37959 + ... + 39655.

It is an arithmetic number, because the mean of its divisors is an integer number (8323596).

Almost surely, 2^65855479 is an apocalyptic number.

65855479 is a deficient number, since it is larger than the sum of its proper divisors (733289).

65855479 is a wasteful number, since it uses less digits than its factorization.

65855479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105.

The product of its digits is 1512000, while the sum is 49.

The square root of 65855479 is about 8115.1388774315. The cubic root of 65855479 is about 403.8288147569.

The spelling of 65855479 in words is "sixty-five million, eight hundred fifty-five thousand, four hundred seventy-nine".