3216684377 has 2 divisors, whose sum is σ = 3216684378. Its totient is φ = 3216684376.

The previous prime is 3216684347. The next prime is 3216684407. The reversal of 3216684377 is 7734866123.

It is a balanced prime because it is at equal distance from previous prime (3216684347) and next prime (3216684407).

It can be written as a sum of positive squares in only one way, i.e., 2026710361 + 1189974016 = 45019^2 + 34496^2 .

It is a cyclic number.

It is not a de Polignac number, because 3216684377 - 2⁶ = 3216684313 is a prime.

It is not a weakly prime, because it can be changed into another prime (3216684347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608342188 + 1608342189.

It is an arithmetic number, because the mean of its divisors is an integer number (1608342189).

Almost surely, 2^3216684377 is an apocalyptic number.

It is an amenable number.

3216684377 is a deficient number, since it is larger than the sum of its proper divisors (1).

3216684377 is an equidigital number, since it uses as much as digits as its factorization.

3216684377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 47.

The square root of 3216684377 is about 56715.8212230062. The cubic root of 3216684377 is about 1476.1692350378.

The spelling of 3216684377 in words is "three billion, two hundred sixteen million, six hundred eighty-four thousand, three hundred seventy-seven".