650788047 has 32 divisors (see below), whose sum is σ = 1186626560. Its totient is φ = 343271520.

The previous prime is 650787989. The next prime is 650788109. The reversal of 650788047 is 740887056.

It is not a de Polignac number, because 650788047 - 2⁶ = 650787983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 650787993 and 650788011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650788847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129979 + ... + 134892.

It is an arithmetic number, because the mean of its divisors is an integer number (37082080).

Almost surely, 2^650788047 is an apocalyptic number.

650788047 is a deficient number, since it is larger than the sum of its proper divisors (535838513).

650788047 is a wasteful number, since it uses less digits than its factorization.

650788047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264900 (or 264894 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 650788047 is about 25510.5477597013. The cubic root of 650788047 is about 866.5890342855.

Subtracting 650788047 from its reverse (740887056), we obtain a palindrome (90099009).

The spelling of 650788047 in words is "six hundred fifty million, seven hundred eighty-eight thousand, forty-seven".