1004778303681 has 8 divisors (see below), whose sum is σ = 1346718564864. Its totient is φ = 666345122480.

The previous prime is 1004778303679. The next prime is 1004778303689. The reversal of 1004778303681 is 1863038774001.

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

It is a cyclic number.

It is not a de Polignac number, because 1004778303681 - 2¹ = 1004778303679 is a prime.

It is a super-2 number, since 2×1004778303681² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1004778303681.

It is not an unprimeable number, because it can be changed into a prime (1004778303689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876769326 + ... + 876770471.

It is an arithmetic number, because the mean of its divisors is an integer number (168339820608).

Almost surely, 2^{1004778303681} is an apocalyptic number.

It is an amenable number.

1004778303681 is a deficient number, since it is larger than the sum of its proper divisors (341940261183).

1004778303681 is a wasteful number, since it uses less digits than its factorization.

1004778303681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753539991.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 1004778303681 in words is "one trillion, four billion, seven hundred seventy-eight million, three hundred three thousand, six hundred eighty-one".