7836688516 has 12 divisors (see below), whose sum is σ = 13720084560. Its totient is φ = 3916664360.

The previous prime is 7836688513. The next prime is 7836688537. The reversal of 7836688516 is 6158866387.

It is a super-2 number, since 2×7836688516² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7836688513) by changing a digit.

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, 409450 + ... + 428161.

It is an arithmetic number, because the mean of its divisors is an integer number (1143340380).

Almost surely, 2^7836688516 is an apocalyptic number.

It is an amenable number.

7836688516 is a deficient number, since it is larger than the sum of its proper divisors (5883396044).

7836688516 is a wasteful number, since it uses less digits than its factorization.

7836688516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839954 (or 839952 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 58.

The square root of 7836688516 is about 88525.0728099108. The cubic root of 7836688516 is about 1986.2970385083.

The spelling of 7836688516 in words is "seven billion, eight hundred thirty-six million, six hundred eighty-eight thousand, five hundred sixteen".