7675537538 has 4 divisors (see below), whose sum is σ = 11513306310. Its totient is φ = 3837768768.

The previous prime is 7675537531. The next prime is 7675537547. The reversal of 7675537538 is 8357355767.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7431646849 + 243890689 = 86207^2 + 15617^2 .

It is not an unprimeable number, because it can be changed into a prime (7675537531) 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 as a sum of consecutive naturals, namely, 1918884383 + ... + 1918884386.

Almost surely, 2^7675537538 is an apocalyptic number.

7675537538 is a deficient number, since it is larger than the sum of its proper divisors (3837768772).

7675537538 is a wasteful number, since it uses less digits than its factorization.

7675537538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837768771.

The product of its digits is 18522000, while the sum is 56.

The square root of 7675537538 is about 87610.1451773709. The cubic root of 7675537538 is about 1972.5874542591.

The spelling of 7675537538 in words is "seven billion, six hundred seventy-five million, five hundred thirty-seven thousand, five hundred thirty-eight".