7705573138 has 16 divisors (see below), whose sum is σ = 11586960000. Its totient is φ = 3843264672.

The previous prime is 7705573081. The next prime is 7705573157. The reversal of 7705573138 is 8313755077.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 2501083 + ... + 2504161.

It is an arithmetic number, because the mean of its divisors is an integer number (724185000).

Almost surely, 2^7705573138 is an apocalyptic number.

7705573138 is a deficient number, since it is larger than the sum of its proper divisors (3881386862).

7705573138 is a wasteful number, since it uses less digits than its factorization.

7705573138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5769.

The product of its (nonzero) digits is 617400, while the sum is 46.

The square root of 7705573138 is about 87781.3940308537. The cubic root of 7705573138 is about 1975.1571215489.

The spelling of 7705573138 in words is "seven billion, seven hundred five million, five hundred seventy-three thousand, one hundred thirty-eight".