7997536852 has 12 divisors (see below), whose sum is σ = 13999104756. Its totient is φ = 3997792640.

The previous prime is 7997536843. The next prime is 7997536853. The reversal of 7997536852 is 2586357997.

It can be written as a sum of positive squares in 2 ways, for example, as 3243985936 + 4753550916 = 56956^2 + 68946^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7997536853) 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 in 3 ways as a sum of consecutive naturals, for example, 225349 + ... + 258412.

It is an arithmetic number, because the mean of its divisors is an integer number (1166592063).

Almost surely, 2^7997536852 is an apocalyptic number.

It is an amenable number.

7997536852 is a deficient number, since it is larger than the sum of its proper divisors (6001567904).

7997536852 is a wasteful number, since it uses less digits than its factorization.

7997536852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487898 (or 487896 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 61.

The square root of 7997536852 is about 89428.9486240334. The cubic root of 7997536852 is about 1999.7947165967.

The spelling of 7997536852 in words is "seven billion, nine hundred ninety-seven million, five hundred thirty-six thousand, eight hundred fifty-two".