3887778913790 has 32 divisors (see below), whose sum is σ = 7123548934656. Its totient is φ = 1527378821920.

The previous prime is 3887778913757. The next prime is 3887778913817. The reversal of 3887778913790 is 973198777883.

It is a super-2 number, since 2×3887778913790² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10223432 + ... + 10596891.

It is an arithmetic number, because the mean of its divisors is an integer number (222610904208).

Almost surely, 2^{3887778913790} is an apocalyptic number.

3887778913790 is a deficient number, since it is larger than the sum of its proper divisors (3235770020866).

3887778913790 is a wasteful number, since it uses less digits than its factorization.

3887778913790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20820664.

The product of its (nonzero) digits is 896168448, while the sum is 77.

The spelling of 3887778913790 in words is "three trillion, eight hundred eighty-seven billion, seven hundred seventy-eight million, nine hundred thirteen thousand, seven hundred ninety".