648358078 has 8 divisors (see below), whose sum is σ = 972698472. Its totient is φ = 324125256.

The previous prime is 648358043. The next prime is 648358079. The reversal of 648358078 is 870853846.

648358078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648358079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9600 + ... + 37267.

It is an arithmetic number, because the mean of its divisors is an integer number (121587309).

Almost surely, 2^648358078 is an apocalyptic number.

648358078 is a deficient number, since it is larger than the sum of its proper divisors (324340394).

648358078 is a wasteful number, since it uses less digits than its factorization.

648358078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53786.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 648358078 is about 25462.8764675164. The cubic root of 648358078 is about 865.5091072291.

The spelling of 648358078 in words is "six hundred forty-eight million, three hundred fifty-eight thousand, seventy-eight".