3904061281278 has 8 divisors (see below), whose sum is σ = 7808122562568. Its totient is φ = 1301353760424.

The previous prime is 3904061281273. The next prime is 3904061281283. The reversal of 3904061281278 is 8721821604093.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3904061281273) and next prime (3904061281283).

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

3904061281278 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3904061281278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904061281273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325338440101 + ... + 325338440112.

It is an arithmetic number, because the mean of its divisors is an integer number (976015320321).

Almost surely, 2^{3904061281278} is an apocalyptic number.

3904061281278 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.

3904061281278 is a wasteful number, since it uses less digits than its factorization.

3904061281278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650676880218.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 3904061281278 in words is "three trillion, nine hundred four billion, sixty-one million, two hundred eighty-one thousand, two hundred seventy-eight".