7850669 has 2 divisors, whose sum is σ = 7850670. Its totient is φ = 7850668.

The previous prime is 7850663. The next prime is 7850671. The reversal of 7850669 is 9660587.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7496644 + 354025 = 2738^2 + 595^2 .

It is an emirp because it is prime and its reverse (9660587) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7850669 - 2⁴ = 7850653 is a prime.

It is a super-2 number, since 2×7850669² = 123266007495122, which contains 22 as substring.

Together with 7850671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7850663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3925334 + 3925335.

It is an arithmetic number, because the mean of its divisors is an integer number (3925335).

Almost surely, 2^7850669 is an apocalyptic number.

It is an amenable number.

7850669 is a deficient number, since it is larger than the sum of its proper divisors (1).

7850669 is an equidigital number, since it uses as much as digits as its factorization.

7850669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 7850669 is about 2801.9045308504. The cubic root of 7850669 is about 198.7477507228.

The spelling of 7850669 in words is "seven million, eight hundred fifty thousand, six hundred sixty-nine".