8349764436 has 72 divisors (see below), whose sum is σ = 23050145664. Its totient is φ = 2532962880.

The previous prime is 8349764417. The next prime is 8349764443. The reversal of 8349764436 is 6344679438.

8349764436 is a `hidden beast` number, since 83 + 497 + 6 + 44 + 36 = 666.

It is a super-2 number, since 2×8349764436² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 92416 + ... + 158871.

It is an arithmetic number, because the mean of its divisors is an integer number (320140912).

Almost surely, 2^8349764436 is an apocalyptic number.

It is an amenable number.

8349764436 is an abundant number, since it is smaller than the sum of its proper divisors (14700381228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8349764436 is a wasteful number, since it uses less digits than its factorization.

8349764436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251381 (or 251376 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The square root of 8349764436 is about 91377.0454545341. The cubic root of 8349764436 is about 2028.7322875124.

The spelling of 8349764436 in words is "eight billion, three hundred forty-nine million, seven hundred sixty-four thousand, four hundred thirty-six".