427234486687 has 2 divisors, whose sum is σ = 427234486688. Its totient is φ = 427234486686.

The previous prime is 427234486639. The next prime is 427234486709. The reversal of 427234486687 is 786684432724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427234486687 is a prime.

It is a super-2 number, since 2×427234486687² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427234426687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213617243343 + 213617243344.

It is an arithmetic number, because the mean of its divisors is an integer number (213617243344).

Almost surely, 2^427234486687 is an apocalyptic number.

427234486687 is a deficient number, since it is larger than the sum of its proper divisors (1).

427234486687 is an equidigital number, since it uses as much as digits as its factorization.

427234486687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86704128, while the sum is 61.

The spelling of 427234486687 in words is "four hundred twenty-seven billion, two hundred thirty-four million, four hundred eighty-six thousand, six hundred eighty-seven".