648285088 has 36 divisors (see below), whose sum is σ = 1402895970. Its totient is φ = 294673280.

The previous prime is 648285083. The next prime is 648285101. The reversal of 648285088 is 880582846.

It can be written as a sum of positive squares in only one way, i.e., 470542864 + 177742224 = 21692^2 + 13332^2 .

It is not an unprimeable number, because it can be changed into a prime (648285083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79843 + ... + 87586.

Almost surely, 2^648285088 is an apocalyptic number.

It is an amenable number.

648285088 is an abundant number, since it is smaller than the sum of its proper divisors (754610882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

648285088 is a wasteful number, since it uses less digits than its factorization.

648285088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167461 (or 167442 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 49.

The square root of 648285088 is about 25461.4431641256. The cubic root of 648285088 is about 865.4766272963.

The spelling of 648285088 in words is "six hundred forty-eight million, two hundred eighty-five thousand, eighty-eight".