778904000003 has 2 divisors, whose sum is σ = 778904000004. Its totient is φ = 778904000002.

The previous prime is 778903999999. The next prime is 778904000023. The reversal of 778904000003 is 300000409877.

778904000003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 778904000003 - 2² = 778903999999 is a prime.

It is not a weakly prime, because it can be changed into another prime (778904000023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389452000001 + 389452000002.

It is an arithmetic number, because the mean of its divisors is an integer number (389452000002).

Almost surely, 2^778904000003 is an apocalyptic number.

778904000003 is a deficient number, since it is larger than the sum of its proper divisors (1).

778904000003 is an equidigital number, since it uses as much as digits as its factorization.

778904000003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 778904000003 in words is "seven hundred seventy-eight billion, nine hundred four million, three", and thus it is an aban number.