648773853 has 64 divisors (see below), whose sum is σ = 1107025920. Its totient is φ = 328868352.

The previous prime is 648773837. The next prime is 648773891. The reversal of 648773853 is 358377846.

648773853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 648773853 - 2⁴ = 648773837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 648773796 and 648773805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648773813) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 756601 + ... + 757457.

It is an arithmetic number, because the mean of its divisors is an integer number (17297280).

Almost surely, 2^648773853 is an apocalyptic number.

It is an amenable number.

648773853 is a deficient number, since it is larger than the sum of its proper divisors (458252067).

648773853 is a wasteful number, since it uses less digits than its factorization.

648773853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986.

The product of its digits is 3386880, while the sum is 51.

The square root of 648773853 is about 25471.0394958667. The cubic root of 648773853 is about 865.6940771125.

The spelling of 648773853 in words is "six hundred forty-eight million, seven hundred seventy-three thousand, eight hundred fifty-three".