7712138169 has 8 divisors (see below), whose sum is σ = 11425389920. Its totient is φ = 5141425428.

The previous prime is 7712138131. The next prime is 7712138183. The reversal of 7712138169 is 9618312177.

It is not a de Polignac number, because 7712138169 - 2¹⁶ = 7712072633 is a prime.

It is a super-2 number, since 2×7712138169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7712138129) 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, 142817347 + ... + 142817400.

It is an arithmetic number, because the mean of its divisors is an integer number (1428173740).

Almost surely, 2^7712138169 is an apocalyptic number.

It is an amenable number.

7712138169 is a deficient number, since it is larger than the sum of its proper divisors (3713251751).

7712138169 is a wasteful number, since it uses less digits than its factorization.

7712138169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285634756 (or 285634750 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 7712138169 is about 87818.7802750642. The cubic root of 7712138169 is about 1975.7178969206.

The spelling of 7712138169 in words is "seven billion, seven hundred twelve million, one hundred thirty-eight thousand, one hundred sixty-nine".