1872427964816 has 20 divisors (see below), whose sum is σ = 3627868127472. Its totient is φ = 936203931936.

The previous prime is 1872427964801. The next prime is 1872427964831. The reversal of 1872427964816 is 6184697242781.

It is an interprime number because it is at equal distance from previous prime (1872427964801) and next prime (1872427964831).

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 3 ways as a sum of consecutive naturals, for example, 1043675 + ... + 2198661.

Almost surely, 2^{1872427964816} is an apocalyptic number.

1872427964816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1872427964816 is a deficient number, since it is larger than the sum of its proper divisors (1755440162656).

1872427964816 is a wasteful number, since it uses less digits than its factorization.

1872427964816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256318 (or 1256312 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 65.

The spelling of 1872427964816 in words is "one trillion, eight hundred seventy-two billion, four hundred twenty-seven million, nine hundred sixty-four thousand, eight hundred sixteen".