Search a number
-
+
479879479 is a prime number
BaseRepresentation
bin11100100110100…
…110000100110111
31020102222101220001
4130212212010313
51440322120404
6115341252131
714614623352
oct3446460467
91212871801
10479879479
11226974612
12114864047
137855bb71
1447a39299
152c1e17a4
hex1c9a6137

479879479 has 2 divisors, whose sum is σ = 479879480. Its totient is φ = 479879478.

The previous prime is 479879459. The next prime is 479879503. The reversal of 479879479 is 974978974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479879479 - 29 = 479878967 is a prime.

It is a super-2 number, since 2×4798794792 = 460568628730622882, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 479879479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479879419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239939739 + 239939740.

It is an arithmetic number, because the mean of its divisors is an integer number (239939740).

Almost surely, 2479879479 is an apocalyptic number.

479879479 is a deficient number, since it is larger than the sum of its proper divisors (1).

479879479 is an equidigital number, since it uses as much as digits as its factorization.

479879479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32006016, while the sum is 64.

The square root of 479879479 is about 21906.1516246008. The cubic root of 479879479 is about 782.9079916702.

The spelling of 479879479 in words is "four hundred seventy-nine million, eight hundred seventy-nine thousand, four hundred seventy-nine".