3425557306777 has 2 divisors, whose sum is σ = 3425557306778. Its totient is φ = 3425557306776.

The previous prime is 3425557306771. The next prime is 3425557306841. The reversal of 3425557306777 is 7776037555243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3367478234761 + 58079072016 = 1835069^2 + 240996^2 .

It is a cyclic number.

It is not a de Polignac number, because 3425557306777 - 2³¹ = 3423409823129 is a prime.

It is not a weakly prime, because it can be changed into another prime (3425557306771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1712778653388 + 1712778653389.

It is an arithmetic number, because the mean of its divisors is an integer number (1712778653389).

Almost surely, 2^{3425557306777} is an apocalyptic number.

It is an amenable number.

3425557306777 is a deficient number, since it is larger than the sum of its proper divisors (1).

3425557306777 is an equidigital number, since it uses as much as digits as its factorization.

3425557306777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129654000, while the sum is 61.

The spelling of 3425557306777 in words is "three trillion, four hundred twenty-five billion, five hundred fifty-seven million, three hundred six thousand, seven hundred seventy-seven".