847022479 has 2 divisors, whose sum is σ = 847022480. Its totient is φ = 847022478.

The previous prime is 847022447. The next prime is 847022513. The reversal of 847022479 is 974220748.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 847022479 - 2⁵ = 847022447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (847022779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423511239 + 423511240.

It is an arithmetic number, because the mean of its divisors is an integer number (423511240).

Almost surely, 2^847022479 is an apocalyptic number.

847022479 is a deficient number, since it is larger than the sum of its proper divisors (1).

847022479 is an equidigital number, since it uses as much as digits as its factorization.

847022479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 847022479 is about 29103.6506129386. The cubic root of 847022479 is about 946.1608603711.

The spelling of 847022479 in words is "eight hundred forty-seven million, twenty-two thousand, four hundred seventy-nine".