8427955951 has 4 divisors (see below), whose sum is σ = 8871532600. Its totient is φ = 7984379304.

The previous prime is 8427955931. The next prime is 8427955967. The reversal of 8427955951 is 1595597248.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8427955951 - 2⁵ = 8427955919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8427955892 and 8427955901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8427955931) 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, 221788296 + ... + 221788333.

It is an arithmetic number, because the mean of its divisors is an integer number (2217883150).

Almost surely, 2^8427955951 is an apocalyptic number.

8427955951 is a deficient number, since it is larger than the sum of its proper divisors (443576649).

8427955951 is a wasteful number, since it uses less digits than its factorization.

8427955951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443576648.

The product of its digits is 4536000, while the sum is 55.

The square root of 8427955951 is about 91803.8994324315. The cubic root of 8427955951 is about 2035.0453218118.

The spelling of 8427955951 in words is "eight billion, four hundred twenty-seven million, nine hundred fifty-five thousand, nine hundred fifty-one".