8456425697 has 4 divisors (see below), whose sum is σ = 8636349696. Its totient is φ = 8276501700.

The previous prime is 8456425657. The next prime is 8456425699. The reversal of 8456425697 is 7965246548.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8456425697 - 2¹² = 8456421601 is a prime.

It is a super-3 number, since 3×8456425697³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8456425699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89961929 + ... + 89962022.

It is an arithmetic number, because the mean of its divisors is an integer number (2159087424).

Almost surely, 2^8456425697 is an apocalyptic number.

It is an amenable number.

8456425697 is a deficient number, since it is larger than the sum of its proper divisors (179923999).

8456425697 is a wasteful number, since it uses less digits than its factorization.

8456425697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179923998.

The product of its digits is 14515200, while the sum is 56.

The square root of 8456425697 is about 91958.8260962481. The cubic root of 8456425697 is about 2037.3342163881.

The spelling of 8456425697 in words is "eight billion, four hundred fifty-six million, four hundred twenty-five thousand, six hundred ninety-seven".