7700816138 has 16 divisors (see below), whose sum is σ = 11580072000. Its totient is φ = 3840804000.

The previous prime is 7700816087. The next prime is 7700816141. The reversal of 7700816138 is 8316180077.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7700816095 and 7700816104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2199113 + ... + 2202611.

It is an arithmetic number, because the mean of its divisors is an integer number (723754500).

Almost surely, 2^7700816138 is an apocalyptic number.

7700816138 is a deficient number, since it is larger than the sum of its proper divisors (3879255862).

7700816138 is a wasteful number, since it uses less digits than its factorization.

7700816138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 7700816138 is about 87754.2941285496. The cubic root of 7700816138 is about 1974.7505865033.

The spelling of 7700816138 in words is "seven billion, seven hundred million, eight hundred sixteen thousand, one hundred thirty-eight".