247016479 has 2 divisors, whose sum is σ = 247016480. Its totient is φ = 247016478.

The previous prime is 247016459. The next prime is 247016501. The reversal of 247016479 is 974610742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 247016479 - 2⁵ = 247016447 is a prime.

It is a super-2 number, since 2×247016479² = 122034281795114882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247016449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123508239 + 123508240.

It is an arithmetic number, because the mean of its divisors is an integer number (123508240).

Almost surely, 2^247016479 is an apocalyptic number.

247016479 is a deficient number, since it is larger than the sum of its proper divisors (1).

247016479 is an equidigital number, since it uses as much as digits as its factorization.

247016479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 247016479 is about 15716.7579035881. The cubic root of 247016479 is about 627.4444887747. Note that the first 4 decimals are identical.

The spelling of 247016479 in words is "two hundred forty-seven million, sixteen thousand, four hundred seventy-nine".