6923388377 has 4 divisors (see below), whose sum is σ = 6923573556. Its totient is φ = 6923203200.

The previous prime is 6923388347. The next prime is 6923388413. The reversal of 6923388377 is 7738833296.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5179824841 + 1743563536 = 71971^2 + 41756^2 .

It is a cyclic number.

It is not a de Polignac number, because 6923388377 - 2¹⁰ = 6923387353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6923388347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14624 + ... + 118577.

It is an arithmetic number, because the mean of its divisors is an integer number (1730893389).

Almost surely, 2^6923388377 is an apocalyptic number.

It is an amenable number.

6923388377 is a deficient number, since it is larger than the sum of its proper divisors (185179).

6923388377 is a wasteful number, since it uses less digits than its factorization.

6923388377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185178.

The product of its digits is 9144576, while the sum is 56.

The square root of 6923388377 is about 83206.9010178843. The cubic root of 6923388377 is about 1905.9268643392.

The spelling of 6923388377 in words is "six billion, nine hundred twenty-three million, three hundred eighty-eight thousand, three hundred seventy-seven".