1428857445886 has 16 divisors (see below), whose sum is σ = 2308255488000. Its totient is φ = 659443766688.

The previous prime is 1428857445877. The next prime is 1428857445893. The reversal of 1428857445886 is 6885447588241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593661 + ... + 1791688.

It is an arithmetic number, because the mean of its divisors is an integer number (144265968000).

Almost surely, 2^{1428857445886} is an apocalyptic number.

1428857445886 is a deficient number, since it is larger than the sum of its proper divisors (879398042114).

1428857445886 is a wasteful number, since it uses less digits than its factorization.

1428857445886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408403.

The product of its digits is 550502400, while the sum is 70.

The spelling of 1428857445886 in words is "one trillion, four hundred twenty-eight billion, eight hundred fifty-seven million, four hundred forty-five thousand, eight hundred eighty-six".