6416880434927 has 4 divisors (see below), whose sum is σ = 6494192247480. Its totient is φ = 6339568622376.

The previous prime is 6416880434917. The next prime is 6416880434963. The reversal of 6416880434927 is 7294340886146.

It is a happy number.

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 6416880434927 - 2¹⁰ = 6416880433903 is a prime.

It is a super-2 number, since 2×6416880434927² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6416880434927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6416880434917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38655906152 + ... + 38655906317.

It is an arithmetic number, because the mean of its divisors is an integer number (1623548061870).

Almost surely, 2^{6416880434927} is an apocalyptic number.

6416880434927 is a deficient number, since it is larger than the sum of its proper divisors (77311812553).

6416880434927 is an equidigital number, since it uses as much as digits as its factorization.

6416880434927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77311812552.

The product of its (nonzero) digits is 55738368, while the sum is 62.

The spelling of 6416880434927 in words is "six trillion, four hundred sixteen billion, eight hundred eighty million, four hundred thirty-four thousand, nine hundred twenty-seven".