7669188137 has 8 divisors (see below), whose sum is σ = 8262138696. Its totient is φ = 7076668032.

The previous prime is 7669188071. The next prime is 7669188157. The reversal of 7669188137 is 7318819667.

It can be written as a sum of positive squares in 4 ways, for example, as 84345856 + 7584842281 = 9184^2 + 87091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7669188137 - 2⁸ = 7669187881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7669188157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70118 + ... + 142319.

It is an arithmetic number, because the mean of its divisors is an integer number (1032767337).

Almost surely, 2^7669188137 is an apocalyptic number.

It is an amenable number.

7669188137 is a deficient number, since it is larger than the sum of its proper divisors (592950559).

7669188137 is a wasteful number, since it uses less digits than its factorization.

7669188137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215227.

The product of its digits is 3048192, while the sum is 56.

The square root of 7669188137 is about 87573.9010036666. The cubic root of 7669188137 is about 1972.0433792729.

The spelling of 7669188137 in words is "seven billion, six hundred sixty-nine million, one hundred eighty-eight thousand, one hundred thirty-seven".