1078404663 has 16 divisors (see below), whose sum is σ = 1649355776. Its totient is φ = 613954080.

The previous prime is 1078404661. The next prime is 1078404709. The reversal of 1078404663 is 3664048701.

It is not a de Polignac number, because 1078404663 - 2¹ = 1078404661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078404661) 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 in 15 ways as a sum of consecutive naturals, for example, 89056 + ... + 100437.

It is an arithmetic number, because the mean of its divisors is an integer number (103084736).

Almost surely, 2^1078404663 is an apocalyptic number.

1078404663 is a deficient number, since it is larger than the sum of its proper divisors (570951113).

1078404663 is a wasteful number, since it uses less digits than its factorization.

1078404663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189774.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1078404663 is about 32839.0722006576. The cubic root of 1078404663 is about 1025.4801361118.

The spelling of 1078404663 in words is "one billion, seventy-eight million, four hundred four thousand, six hundred sixty-three".