426471979 has 8 divisors (see below), whose sum is σ = 462060720. Its totient is φ = 392050176.

The previous prime is 426471977. The next prime is 426472009. The reversal of 426471979 is 979174624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426471979 - 2¹ = 426471977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426471977) 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, 290974 + ... + 292435.

It is an arithmetic number, because the mean of its divisors is an integer number (57757590).

Almost surely, 2^426471979 is an apocalyptic number.

426471979 is a deficient number, since it is larger than the sum of its proper divisors (35588741).

426471979 is a wasteful number, since it uses less digits than its factorization.

426471979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583469.

The product of its digits is 762048, while the sum is 49.

The square root of 426471979 is about 20651.1980039900. The cubic root of 426471979 is about 752.7143006163.

The spelling of 426471979 in words is "four hundred twenty-six million, four hundred seventy-one thousand, nine hundred seventy-nine".