3609123887 has 2 divisors, whose sum is σ = 3609123888. Its totient is φ = 3609123886.

The previous prime is 3609123871. The next prime is 3609123941. The reversal of 3609123887 is 7883219063.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3609123887 - 2⁴ = 3609123871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3609123827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1804561943 + 1804561944.

It is an arithmetic number, because the mean of its divisors is an integer number (1804561944).

Almost surely, 2^3609123887 is an apocalyptic number.

3609123887 is a deficient number, since it is larger than the sum of its proper divisors (1).

3609123887 is an equidigital number, since it uses as much as digits as its factorization.

3609123887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 3609123887 is about 60075.9842782455. The cubic root of 3609123887 is about 1533.9125355898.

The spelling of 3609123887 in words is "three billion, six hundred nine million, one hundred twenty-three thousand, eight hundred eighty-seven".