34020005687 has 2 divisors, whose sum is σ = 34020005688. Its totient is φ = 34020005686.

The previous prime is 34020005653. The next prime is 34020005699. The reversal of 34020005687 is 78650002043.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (78650002043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34020005687 - 2¹⁴ = 34019989303 is a prime.

It is a super-3 number, since 3×34020005687³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34020005627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17010002843 + 17010002844.

It is an arithmetic number, because the mean of its divisors is an integer number (17010002844).

Almost surely, 2^34020005687 is an apocalyptic number.

34020005687 is a deficient number, since it is larger than the sum of its proper divisors (1).

34020005687 is an equidigital number, since it uses as much as digits as its factorization.

34020005687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 34020005687 in words is "thirty-four billion, twenty million, five thousand, six hundred eighty-seven".