3240477761 has 2 divisors, whose sum is σ = 3240477762. Its totient is φ = 3240477760.

The previous prime is 3240477623. The next prime is 3240477781. The reversal of 3240477761 is 1677740423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3239886400 + 591361 = 56920^2 + 769^2 .

It is an emirp because it is prime and its reverse (1677740423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3240477761 - 2¹⁰ = 3240476737 is a prime.

It is a super-2 number, since 2×3240477761² = 21001392239071146242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3240477781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620238880 + 1620238881.

It is an arithmetic number, because the mean of its divisors is an integer number (1620238881).

Almost surely, 2^3240477761 is an apocalyptic number.

It is an amenable number.

3240477761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240477761 is an equidigital number, since it uses as much as digits as its factorization.

3240477761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 3240477761 is about 56925.1944309372. The cubic root of 3240477761 is about 1479.7999731191.

The spelling of 3240477761 in words is "three billion, two hundred forty million, four hundred seventy-seven thousand, seven hundred sixty-one".