616220276839 has 4 divisors (see below), whose sum is σ = 616221942856. Its totient is φ = 616218610824.

The previous prime is 616220276767. The next prime is 616220276897. The reversal of 616220276839 is 938672022616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 616220276839 - 2⁹ = 616220276327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616227276839) by changing a digit.

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, 1569 + ... + 1110154.

It is an arithmetic number, because the mean of its divisors is an integer number (154055485714).

Almost surely, 2^616220276839 is an apocalyptic number.

616220276839 is a deficient number, since it is larger than the sum of its proper divisors (1666017).

616220276839 is a wasteful number, since it uses less digits than its factorization.

616220276839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666016.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 616220276839 in words is "six hundred sixteen billion, two hundred twenty million, two hundred seventy-six thousand, eight hundred thirty-nine".