77282263 has 2 divisors, whose sum is σ = 77282264. Its totient is φ = 77282262.

The previous prime is 77282207. The next prime is 77282267. The reversal of 77282263 is 36228277.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (36228277) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77282263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77282267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38641131 + 38641132.

It is an arithmetic number, because the mean of its divisors is an integer number (38641132).

Almost surely, 2^77282263 is an apocalyptic number.

77282263 is a deficient number, since it is larger than the sum of its proper divisors (1).

77282263 is an equidigital number, since it uses as much as digits as its factorization.

77282263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 37.

The square root of 77282263 is about 8791.0331019739. The cubic root of 77282263 is about 425.9512956140.

The spelling of 77282263 in words is "seventy-seven million, two hundred eighty-two thousand, two hundred sixty-three".