1428777908606 has 16 divisors (see below), whose sum is σ = 2147819397360. Its totient is φ = 712839761280.

The previous prime is 1428777908561. The next prime is 1428777908611. The reversal of 1428777908606 is 6068097778241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321910 + ... + 2145926.

It is an arithmetic number, because the mean of its divisors is an integer number (134238712335).

Almost surely, 2^{1428777908606} is an apocalyptic number.

1428777908606 is a deficient number, since it is larger than the sum of its proper divisors (719041488754).

1428777908606 is a wasteful number, since it uses less digits than its factorization.

1428777908606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825899.

The product of its (nonzero) digits is 56899584, while the sum is 65.

The spelling of 1428777908606 in words is "one trillion, four hundred twenty-eight billion, seven hundred seventy-seven million, nine hundred eight thousand, six hundred six".