64480985 has 8 divisors (see below), whose sum is σ = 78357120. Its totient is φ = 50931504.

The previous prime is 64480979. The next prime is 64481009. The reversal of 64480985 is 58908446.

It is a happy number.

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 64480985 - 2⁶ = 64480921 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81227 + ... + 82016.

It is an arithmetic number, because the mean of its divisors is an integer number (9794640).

Almost surely, 2^64480985 is an apocalyptic number.

It is an amenable number.

64480985 is a deficient number, since it is larger than the sum of its proper divisors (13876135).

64480985 is a wasteful number, since it uses less digits than its factorization.

64480985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163327.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 64480985 is about 8030.0052926508. The cubic root of 64480985 is about 400.9995522411. Note that the first 3 decimals are identical.

The spelling of 64480985 in words is "sixty-four million, four hundred eighty thousand, nine hundred eighty-five".