507781339952 has 10 divisors (see below), whose sum is σ = 983826346188. Its totient is φ = 253890669968.

The previous prime is 507781339937. The next prime is 507781339957. The reversal of 507781339952 is 259933187705.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 507781339891 and 507781339900.

It is not an unprimeable number, because it can be changed into a prime (507781339957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15868166858 + ... + 15868166889.

Almost surely, 2^507781339952 is an apocalyptic number.

It is an amenable number.

507781339952 is a deficient number, since it is larger than the sum of its proper divisors (476045006236).

507781339952 is a wasteful number, since it uses less digits than its factorization.

507781339952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31736333755 (or 31736333749 counting only the distinct ones).

The product of its (nonzero) digits is 14288400, while the sum is 59.

The spelling of 507781339952 in words is "five hundred seven billion, seven hundred eighty-one million, three hundred thirty-nine thousand, nine hundred fifty-two".