7065287687 has 2 divisors, whose sum is σ = 7065287688. Its totient is φ = 7065287686.

The previous prime is 7065287641. The next prime is 7065287707. The reversal of 7065287687 is 7867825607.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7065287687 - 2¹⁴ = 7065271303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7065287087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3532643843 + 3532643844.

It is an arithmetic number, because the mean of its divisors is an integer number (3532643844).

Almost surely, 2^7065287687 is an apocalyptic number.

7065287687 is a deficient number, since it is larger than the sum of its proper divisors (1).

7065287687 is an equidigital number, since it uses as much as digits as its factorization.

7065287687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7902720, while the sum is 56.

The square root of 7065287687 is about 84055.2656708668. The cubic root of 7065287687 is about 1918.8599720068.

The spelling of 7065287687 in words is "seven billion, sixty-five million, two hundred eighty-seven thousand, six hundred eighty-seven".