39776963 has 2 divisors, whose sum is σ = 39776964. Its totient is φ = 39776962.

The previous prime is 39776939. The next prime is 39776981. The reversal of 39776963 is 36967793.

It is a strong prime.

It is an emirp because it is prime and its reverse (36967793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39776963 - 2⁸ = 39776707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39776563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19888481 + 19888482.

It is an arithmetic number, because the mean of its divisors is an integer number (19888482).

Almost surely, 2^39776963 is an apocalyptic number.

39776963 is a deficient number, since it is larger than the sum of its proper divisors (1).

39776963 is an equidigital number, since it uses as much as digits as its factorization.

39776963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1285956, while the sum is 50.

The square root of 39776963 is about 6306.8980489619. The cubic root of 39776963 is about 341.3583577141.

The spelling of 39776963 in words is "thirty-nine million, seven hundred seventy-six thousand, nine hundred sixty-three".