8104747538 has 8 divisors (see below), whose sum is σ = 12268654860. Its totient is φ = 4015195920.

The previous prime is 8104747411. The next prime is 8104747579. The reversal of 8104747538 is 8357474018.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7886683249 + 218064289 = 88807^2 + 14767^2 .

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

It is a super-2 number, since 2×8104747538² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8104747492 and 8104747501.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18588653 + ... + 18589088.

Almost surely, 2^8104747538 is an apocalyptic number.

8104747538 is a deficient number, since it is larger than the sum of its proper divisors (4163907322).

8104747538 is a wasteful number, since it uses less digits than its factorization.

8104747538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37177852.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 8104747538 is about 90026.3713475113. The cubic root of 8104747538 is about 2008.6911388450.

The spelling of 8104747538 in words is "eight billion, one hundred four million, seven hundred forty-seven thousand, five hundred thirty-eight".