650576077 has 4 divisors (see below), whose sum is σ = 688845276. Its totient is φ = 612306880.

The previous prime is 650576071. The next prime is 650576159. The reversal of 650576077 is 770675056.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 524822281 + 125753796 = 22909^2 + 11214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650576077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650576071) 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 3 ways as a sum of consecutive naturals, for example, 19134574 + ... + 19134607.

It is an arithmetic number, because the mean of its divisors is an integer number (172211319).

Almost surely, 2^650576077 is an apocalyptic number.

It is an amenable number.

650576077 is a deficient number, since it is larger than the sum of its proper divisors (38269199).

650576077 is a wasteful number, since it uses less digits than its factorization.

650576077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38269198.

The product of its (nonzero) digits is 308700, while the sum is 43.

The square root of 650576077 is about 25506.3928653191. The cubic root of 650576077 is about 866.4949376870.

The spelling of 650576077 in words is "six hundred fifty million, five hundred seventy-six thousand, seventy-seven".