508379661 has 12 divisors (see below), whose sum is σ = 734521788. Its totient is φ = 338829504.

The previous prime is 508379647. The next prime is 508379681. The reversal of 508379661 is 166973805.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19527561 + 488852100 = 4419^2 + 22110^2 .

It is not a de Polignac number, because 508379661 - 2⁵ = 508379629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508379681) 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 11 ways as a sum of consecutive naturals, for example, 60811 + ... + 68663.

It is an arithmetic number, because the mean of its divisors is an integer number (61210149).

Almost surely, 2^508379661 is an apocalyptic number.

It is an amenable number.

508379661 is a deficient number, since it is larger than the sum of its proper divisors (226142127).

508379661 is a wasteful number, since it uses less digits than its factorization.

508379661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15052 (or 15049 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 508379661 is about 22547.2761326064. The cubic root of 508379661 is about 798.1099449021.

The spelling of 508379661 in words is "five hundred eight million, three hundred seventy-nine thousand, six hundred sixty-one".