7712176649 has 2 divisors, whose sum is σ = 7712176650. Its totient is φ = 7712176648.

The previous prime is 7712176613. The next prime is 7712176687. The reversal of 7712176649 is 9466712177.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7709718025 + 2458624 = 87805^2 + 1568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7712176649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7712176597 and 7712176606.

It is not a weakly prime, because it can be changed into another prime (7712176609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3856088324 + 3856088325.

It is an arithmetic number, because the mean of its divisors is an integer number (3856088325).

Almost surely, 2^7712176649 is an apocalyptic number.

It is an amenable number.

7712176649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7712176649 is an equidigital number, since it uses as much as digits as its factorization.

7712176649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 50.

The square root of 7712176649 is about 87818.9993623248. Note that the first 3 decimals coincide. The cubic root of 7712176649 is about 1975.7211828877.

The spelling of 7712176649 in words is "seven billion, seven hundred twelve million, one hundred seventy-six thousand, six hundred forty-nine".