8778463 has 2 divisors, whose sum is σ = 8778464. Its totient is φ = 8778462.

The previous prime is 8778461. The next prime is 8778467. The reversal of 8778463 is 3648778.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8778463 - 2¹ = 8778461 is a prime.

It is a super-2 number, since 2×8778463² = 154122825284738, which contains 22 as substring.

Together with 8778461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8778461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4389231 + 4389232.

It is an arithmetic number, because the mean of its divisors is an integer number (4389232).

Almost surely, 2^8778463 is an apocalyptic number.

8778463 is a deficient number, since it is larger than the sum of its proper divisors (1).

8778463 is an equidigital number, since it uses as much as digits as its factorization.

8778463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 43.

The square root of 8778463 is about 2962.8471104666. The cubic root of 8778463 is about 206.2874596179.

The spelling of 8778463 in words is "eight million, seven hundred seventy-eight thousand, four hundred sixty-three".