3240320777 has 2 divisors, whose sum is σ = 3240320778. Its totient is φ = 3240320776.

The previous prime is 3240320767. The next prime is 3240320927. The reversal of 3240320777 is 7770230423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3201183241 + 39137536 = 56579^2 + 6256^2 .

It is a cyclic number.

It is not a de Polignac number, because 3240320777 - 2¹⁴ = 3240304393 is a prime.

It is not a weakly prime, because it can be changed into another prime (3240320767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620160388 + 1620160389.

It is an arithmetic number, because the mean of its divisors is an integer number (1620160389).

Almost surely, 2^3240320777 is an apocalyptic number.

It is an amenable number.

3240320777 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240320777 is an equidigital number, since it uses as much as digits as its factorization.

3240320777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 35.

The square root of 3240320777 is about 56923.8155520165. The cubic root of 3240320777 is about 1479.7760765738.

The spelling of 3240320777 in words is "three billion, two hundred forty million, three hundred twenty thousand, seven hundred seventy-seven".