1427824782868 has 12 divisors (see below), whose sum is σ = 2725847312832. Its totient is φ = 649011264920.

The previous prime is 1427824782827. The next prime is 1427824782883. The reversal of 1427824782868 is 8682874287241.

It is a super-4 number, since 4×1427824782868⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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, 16225281580 + ... + 16225281667.

It is an arithmetic number, because the mean of its divisors is an integer number (227153942736).

Almost surely, 2^{1427824782868} is an apocalyptic number.

It is an amenable number.

1427824782868 is a deficient number, since it is larger than the sum of its proper divisors (1298022529964).

1427824782868 is a wasteful number, since it uses less digits than its factorization.

1427824782868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32450563262 (or 32450563260 counting only the distinct ones).

The product of its digits is 154140672, while the sum is 67.

The spelling of 1427824782868 in words is "one trillion, four hundred twenty-seven billion, eight hundred twenty-four million, seven hundred eighty-two thousand, eight hundred sixty-eight".