426982879 has 6 divisors (see below), whose sum is σ = 446355056. Its totient is φ = 408417900.

The previous prime is 426982873. The next prime is 426982883. The reversal of 426982879 is 978289624.

It is a de Polignac number, because none of the positive numbers 2^k-426982879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426982873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 403047 + ... + 404104.

Almost surely, 2^426982879 is an apocalyptic number.

426982879 is a deficient number, since it is larger than the sum of its proper divisors (19372177).

426982879 is an equidigital number, since it uses as much as digits as its factorization.

426982879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807197 (or 807174 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The square root of 426982879 is about 20663.5640439882. The cubic root of 426982879 is about 753.0147566782.

The spelling of 426982879 in words is "four hundred twenty-six million, nine hundred eighty-two thousand, eight hundred seventy-nine".