8456423237788 has 24 divisors (see below), whose sum is σ = 16254909659520. Its totient is φ = 3831514418160.

The previous prime is 8456423237783. The next prime is 8456423237849. The reversal of 8456423237788 is 8877323246548.

It is a happy number.

It is a super-2 number, since 2×8456423237788² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8456423237783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2418883618 + ... + 2418887113.

It is an arithmetic number, because the mean of its divisors is an integer number (677287902480).

Almost surely, 2^{8456423237788} is an apocalyptic number.

It is an amenable number.

8456423237788 is a deficient number, since it is larger than the sum of its proper divisors (7798486421732).

8456423237788 is a wasteful number, since it uses less digits than its factorization.

8456423237788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4837770777 (or 4837770775 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 67.

The spelling of 8456423237788 in words is "eight trillion, four hundred fifty-six billion, four hundred twenty-three million, two hundred thirty-seven thousand, seven hundred eighty-eight".