3778025505278 has 8 divisors (see below), whose sum is σ = 5670038283840. Its totient is φ = 1888012744000.

The previous prime is 3778025505257. The next prime is 3778025505313. The reversal of 3778025505278 is 8725055208773.

It is a happy number.

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

It is a congruent 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, 499999598 + ... + 500007153.

It is an arithmetic number, because the mean of its divisors is an integer number (708754785480).

Almost surely, 2^{3778025505278} is an apocalyptic number.

3778025505278 is a deficient number, since it is larger than the sum of its proper divisors (1892012778562).

3778025505278 is a wasteful number, since it uses less digits than its factorization.

3778025505278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000008642.

The product of its (nonzero) digits is 32928000, while the sum is 59.

The spelling of 3778025505278 in words is "three trillion, seven hundred seventy-eight billion, twenty-five million, five hundred five thousand, two hundred seventy-eight".