500777064 has 24 divisors (see below), whose sum is σ = 1356271410. Its totient is φ = 166925664.

The previous prime is 500777063. The next prime is 500777077. The reversal of 500777064 is 460777005.

It can be written as a sum of positive squares in only one way, i.e., 362902500 + 137874564 = 19050^2 + 11742^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (500777063) 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 5 ways as a sum of consecutive naturals, for example, 3477547 + ... + 3477690.

Almost surely, 2^500777064 is an apocalyptic number.

It is an amenable number.

500777064 is an abundant number, since it is smaller than the sum of its proper divisors (855494346).

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

500777064 is a wasteful number, since it uses less digits than its factorization.

500777064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955249 (or 6955242 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 500777064 is about 22378.0487085000. The cubic root of 500777064 is about 794.1114839008. Note that the first 3 decimals are identical.

The spelling of 500777064 in words is "five hundred million, seven hundred seventy-seven thousand, sixty-four".