507489077 has 8 divisors (see below), whose sum is σ = 521687256. Its totient is φ = 493316352.

The previous prime is 507489023. The next prime is 507489097. The reversal of 507489077 is 770984705.

It can be written as a sum of positive squares in 4 ways, for example, as 199346161 + 308142916 = 14119^2 + 17554^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 507489077 - 2¹² = 507484981 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 (507489097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38393 + ... + 49889.

It is an arithmetic number, because the mean of its divisors is an integer number (65210907).

Almost surely, 2^507489077 is an apocalyptic number.

It is an amenable number.

507489077 is a deficient number, since it is larger than the sum of its proper divisors (14198179).

507489077 is a wasteful number, since it uses less digits than its factorization.

507489077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12727.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 507489077 is about 22527.5182166168. The cubic root of 507489077 is about 797.6436271356.

The spelling of 507489077 in words is "five hundred seven million, four hundred eighty-nine thousand, seventy-seven".