8427963951 has 32 divisors (see below), whose sum is σ = 13691619840. Its totient is φ = 5081356800.

The previous prime is 8427963941. The next prime is 8427963959. The reversal of 8427963951 is 1593697248.

It is not a de Polignac number, because 8427963951 - 2¹⁰ = 8427962927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8427963959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16195 + ... + 130836.

It is an arithmetic number, because the mean of its divisors is an integer number (427863120).

Almost surely, 2^8427963951 is an apocalyptic number.

8427963951 is a deficient number, since it is larger than the sum of its proper divisors (5263655889).

8427963951 is a wasteful number, since it uses less digits than its factorization.

8427963951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147244 (or 147238 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 8427963951 is about 91803.9430035551. The cubic root of 8427963951 is about 2035.0459657147.

The spelling of 8427963951 in words is "eight billion, four hundred twenty-seven million, nine hundred sixty-three thousand, nine hundred fifty-one".