7849136756 has 12 divisors (see below), whose sum is σ = 13739433540. Its totient is φ = 3923584320.

The previous prime is 7849136717. The next prime is 7849136777. The reversal of 7849136756 is 6576319487.

It can be written as a sum of positive squares in 2 ways, for example, as 215619856 + 7633516900 = 14684^2 + 87370^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 227921 + ... + 260088.

It is an arithmetic number, because the mean of its divisors is an integer number (1144952795).

Almost surely, 2^7849136756 is an apocalyptic number.

It is an amenable number.

7849136756 is a deficient number, since it is larger than the sum of its proper divisors (5890296784).

7849136756 is a wasteful number, since it uses less digits than its factorization.

7849136756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492034 (or 492032 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 56.

The square root of 7849136756 is about 88595.3540316872. The cubic root of 7849136756 is about 1987.3481977119.

The spelling of 7849136756 in words is "seven billion, eight hundred forty-nine million, one hundred thirty-six thousand, seven hundred fifty-six".