1243830877678 has 8 divisors (see below), whose sum is σ = 1900949077368. Its totient is φ = 610181185224.

The previous prime is 1243830877657. The next prime is 1243830877691. The reversal of 1243830877678 is 8767780383421.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5867126676 + ... + 5867126887.

It is an arithmetic number, because the mean of its divisors is an integer number (237618634671).

Almost surely, 2^{1243830877678} is an apocalyptic number.

1243830877678 is a deficient number, since it is larger than the sum of its proper divisors (657118199690).

1243830877678 is a wasteful number, since it uses less digits than its factorization.

1243830877678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11734253618.

The product of its (nonzero) digits is 75866112, while the sum is 64.

The spelling of 1243830877678 in words is "one trillion, two hundred forty-three billion, eight hundred thirty million, eight hundred seventy-seven thousand, six hundred seventy-eight".