64480655 has 8 divisors (see below), whose sum is σ = 77430384. Its totient is φ = 51548800.

The previous prime is 64480649. The next prime is 64480697. The reversal of 64480655 is 55608446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64480655 - 2²⁰ = 63432079 is a prime.

It is a Duffinian number.

It is a congruent 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, 5495 + ... + 12615.

It is an arithmetic number, because the mean of its divisors is an integer number (9678798).

Almost surely, 2^64480655 is an apocalyptic number.

64480655 is a deficient number, since it is larger than the sum of its proper divisors (12949729).

64480655 is a wasteful number, since it uses less digits than its factorization.

64480655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8937.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 64480655 is about 8029.9847446929. The cubic root of 64480655 is about 400.9988681630.

The spelling of 64480655 in words is "sixty-four million, four hundred eighty thousand, six hundred fifty-five".