648770848 has 24 divisors (see below), whose sum is σ = 1393383600. Its totient is φ = 294895680.

The previous prime is 648770809. The next prime is 648770869. The reversal of 648770848 is 848077846.

It is a super-2 number, since 2×648770848² = 841807226429278208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 648770795 and 648770804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921198 + ... + 921901.

It is an arithmetic number, because the mean of its divisors is an integer number (58057650).

Almost surely, 2^648770848 is an apocalyptic number.

It is an amenable number.

648770848 is an abundant number, since it is smaller than the sum of its proper divisors (744612752).

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

648770848 is a wasteful number, since it uses less digits than its factorization.

648770848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843120 (or 1843112 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 52.

The square root of 648770848 is about 25470.9805072361. The cubic root of 648770848 is about 865.6927405323.

The spelling of 648770848 in words is "six hundred forty-eight million, seven hundred seventy thousand, eight hundred forty-eight".