427979479 has 2 divisors, whose sum is σ = 427979480. Its totient is φ = 427979478.

The previous prime is 427979467. The next prime is 427979491. The reversal of 427979479 is 974979724.

It is a balanced prime because it is at equal distance from previous prime (427979467) and next prime (427979491).

It is a cyclic number.

It is not a de Polignac number, because 427979479 - 2¹³ = 427971287 is a prime.

It is a super-2 number, since 2×427979479² = 366332868890222882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427979449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213989739 + 213989740.

It is an arithmetic number, because the mean of its divisors is an integer number (213989740).

Almost surely, 2^427979479 is an apocalyptic number.

427979479 is a deficient number, since it is larger than the sum of its proper divisors (1).

427979479 is an equidigital number, since it uses as much as digits as its factorization.

427979479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8001504, while the sum is 58.

The square root of 427979479 is about 20687.6648996449. The cubic root of 427979479 is about 753.6001598508.

The spelling of 427979479 in words is "four hundred twenty-seven million, nine hundred seventy-nine thousand, four hundred seventy-nine".