7752850582661 has 2 divisors, whose sum is σ = 7752850582662. Its totient is φ = 7752850582660.

The previous prime is 7752850582571. The next prime is 7752850582663. The reversal of 7752850582661 is 1662850582577.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6448501572100 + 1304349010561 = 2539390^2 + 1142081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7752850582661 is a prime.

Together with 7752850582663, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7752850582594 and 7752850582603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7752850582663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3876425291330 + 3876425291331.

It is an arithmetic number, because the mean of its divisors is an integer number (3876425291331).

Almost surely, 2^{7752850582661} is an apocalyptic number.

It is an amenable number.

7752850582661 is a deficient number, since it is larger than the sum of its proper divisors (1).

7752850582661 is an equidigital number, since it uses as much as digits as its factorization.

7752850582661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448000, while the sum is 62.

The spelling of 7752850582661 in words is "seven trillion, seven hundred fifty-two billion, eight hundred fifty million, five hundred eighty-two thousand, six hundred sixty-one".