648484827 has 8 divisors (see below), whose sum is σ = 866045760. Its totient is φ = 431623560.

The previous prime is 648484799. The next prime is 648484841. The reversal of 648484827 is 728484846.

It is a happy number.

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

It is not a de Polignac number, because 648484827 - 2⁷ = 648484699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 648484827.

It is not an unprimeable number, because it can be changed into a prime (648464827) 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, 172749 + ... + 176462.

It is an arithmetic number, because the mean of its divisors is an integer number (108255720).

Almost surely, 2^648484827 is an apocalyptic number.

648484827 is a deficient number, since it is larger than the sum of its proper divisors (217560933).

648484827 is a wasteful number, since it uses less digits than its factorization.

648484827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349833.

The product of its digits is 2752512, while the sum is 51.

The square root of 648484827 is about 25465.3652437973. The cubic root of 648484827 is about 865.5655036710.

The spelling of 648484827 in words is "six hundred forty-eight million, four hundred eighty-four thousand, eight hundred twenty-seven".