7669663 has 2 divisors, whose sum is σ = 7669664. Its totient is φ = 7669662.

The previous prime is 7669589. The next prime is 7669667. The reversal of 7669663 is 3669667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7669663 - 2¹³ = 7661471 is a prime.

7669663 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7669667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3834831 + 3834832.

It is an arithmetic number, because the mean of its divisors is an integer number (3834832).

Almost surely, 2^7669663 is an apocalyptic number.

7669663 is a deficient number, since it is larger than the sum of its proper divisors (1).

7669663 is an equidigital number, since it uses as much as digits as its factorization.

7669663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 43.

The square root of 7669663 is about 2769.4156423332. The cubic root of 7669663 is about 197.2084080283.

The spelling of 7669663 in words is "seven million, six hundred sixty-nine thousand, six hundred sixty-three".