8386729492 has 6 divisors (see below), whose sum is σ = 14676776618. Its totient is φ = 4193364744.

The previous prime is 8386729471. The next prime is 8386729529. The reversal of 8386729492 is 2949276838.

It can be written as a sum of positive squares in only one way, i.e., 6086184196 + 2300545296 = 78014^2 + 47964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048341183 + ... + 1048341190.

Almost surely, 2^8386729492 is an apocalyptic number.

It is an amenable number.

8386729492 is a deficient number, since it is larger than the sum of its proper divisors (6290047126).

8386729492 is a wasteful number, since it uses less digits than its factorization.

8386729492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096682377 (or 2096682375 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 58.

The square root of 8386729492 is about 91579.0887266302. The cubic root of 8386729492 is about 2031.7216656014.

The spelling of 8386729492 in words is "eight billion, three hundred eighty-six million, seven hundred twenty-nine thousand, four hundred ninety-two".