980223479 has 2 divisors, whose sum is σ = 980223480. Its totient is φ = 980223478.

The previous prime is 980223437. The next prime is 980223533. The reversal of 980223479 is 974322089.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 980223479 - 2²⁸ = 711788023 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980223679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490111739 + 490111740.

It is an arithmetic number, because the mean of its divisors is an integer number (490111740).

Almost surely, 2^980223479 is an apocalyptic number.

980223479 is a deficient number, since it is larger than the sum of its proper divisors (1).

980223479 is an equidigital number, since it uses as much as digits as its factorization.

980223479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 980223479 is about 31308.5208689264. The cubic root of 980223479 is about 993.3638857346.

The spelling of 980223479 in words is "nine hundred eighty million, two hundred twenty-three thousand, four hundred seventy-nine".