778082467 has 2 divisors, whose sum is σ = 778082468. Its totient is φ = 778082466.

The previous prime is 778082413. The next prime is 778082477. The reversal of 778082467 is 764280877.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-778082467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 778082467.

It is not a weakly prime, because it can be changed into another prime (778082477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389041233 + 389041234.

It is an arithmetic number, because the mean of its divisors is an integer number (389041234).

Almost surely, 2^778082467 is an apocalyptic number.

778082467 is a deficient number, since it is larger than the sum of its proper divisors (1).

778082467 is an equidigital number, since it uses as much as digits as its factorization.

778082467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1053696, while the sum is 49.

The square root of 778082467 is about 27894.1296153868. The cubic root of 778082467 is about 919.7614642295.

The spelling of 778082467 in words is "seven hundred seventy-eight million, eighty-two thousand, four hundred sixty-seven".