650772798 has 32 divisors (see below), whose sum is σ = 1439553696. Its totient is φ = 194825088.

The previous prime is 650772791. The next prime is 650772799. The reversal of 650772798 is 897277056.

It is a self number, because there is not a number n which added to its sum of digits gives 650772798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650772791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109861 + ... + 115632.

It is an arithmetic number, because the mean of its divisors is an integer number (44986053).

Almost surely, 2^650772798 is an apocalyptic number.

650772798 is an abundant number, since it is smaller than the sum of its proper divisors (788780898).

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

650772798 is a wasteful number, since it uses less digits than its factorization.

650772798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225548.

The product of its (nonzero) digits is 1481760, while the sum is 51.

The square root of 650772798 is about 25510.2488815770. The cubic root of 650772798 is about 866.5822657124.

The spelling of 650772798 in words is "six hundred fifty million, seven hundred seventy-two thousand, seven hundred ninety-eight".