3557685707 has 2 divisors, whose sum is σ = 3557685708. Its totient is φ = 3557685706.

The previous prime is 3557685683. The next prime is 3557685713. The reversal of 3557685707 is 7075867553.

It is a happy number.

3557685707 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3557685707 - 2¹⁸ = 3557423563 is a prime.

It is not a weakly prime, because it can be changed into another prime (3557685007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1778842853 + 1778842854.

It is an arithmetic number, because the mean of its divisors is an integer number (1778842854).

Almost surely, 2^3557685707 is an apocalyptic number.

3557685707 is a deficient number, since it is larger than the sum of its proper divisors (1).

3557685707 is an equidigital number, since it uses as much as digits as its factorization.

3557685707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6174000, while the sum is 53.

The square root of 3557685707 is about 59646.3385883828. The cubic root of 3557685707 is about 1526.5903977257.

The spelling of 3557685707 in words is "three billion, five hundred fifty-seven million, six hundred eighty-five thousand, seven hundred seven".