1304085773778 has 8 divisors (see below), whose sum is σ = 2608171547568. Its totient is φ = 434695257924.

The previous prime is 1304085773759. The next prime is 1304085773801. The reversal of 1304085773778 is 8773775804031.

It is a sphenic number, since it is the product of 3 distinct primes.

1304085773778 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108673814476 + ... + 108673814487.

It is an arithmetic number, because the mean of its divisors is an integer number (326021443446).

Almost surely, 2^{1304085773778} is an apocalyptic number.

1304085773778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1304085773778 is a wasteful number, since it uses less digits than its factorization.

1304085773778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217347628968.

The product of its (nonzero) digits is 27659520, while the sum is 60.

The spelling of 1304085773778 in words is "one trillion, three hundred four billion, eighty-five million, seven hundred seventy-three thousand, seven hundred seventy-eight".