7713628538 has 16 divisors (see below), whose sum is σ = 14425487424. Its totient is φ = 3005309760.

The previous prime is 7713628529. The next prime is 7713628541. The reversal of 7713628538 is 8358263177.

It is a happy number.

It is a super-3 number, since 3×7713628538³ (a number of 31 digits) contains 333 as substring.

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, 25044095 + ... + 25044402.

It is an arithmetic number, because the mean of its divisors is an integer number (901592964).

Almost surely, 2^7713628538 is an apocalyptic number.

7713628538 is a deficient number, since it is larger than the sum of its proper divisors (6711858886).

7713628538 is a wasteful number, since it uses less digits than its factorization.

7713628538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50088517.

The product of its digits is 1693440, while the sum is 50.

The square root of 7713628538 is about 87827.2653451080. The cubic root of 7713628538 is about 1975.8451577391.

The spelling of 7713628538 in words is "seven billion, seven hundred thirteen million, six hundred twenty-eight thousand, five hundred thirty-eight".