84711479 has 2 divisors, whose sum is σ = 84711480. Its totient is φ = 84711478.

The previous prime is 84711457. The next prime is 84711521. The reversal of 84711479 is 97411748.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84711479 - 2⁸ = 84711223 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 (84711409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42355739 + 42355740.

It is an arithmetic number, because the mean of its divisors is an integer number (42355740).

Almost surely, 2^84711479 is an apocalyptic number.

84711479 is a deficient number, since it is larger than the sum of its proper divisors (1).

84711479 is an equidigital number, since it uses as much as digits as its factorization.

84711479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 41.

The square root of 84711479 is about 9203.8839084378. The cubic root of 84711479 is about 439.1849218256.

The spelling of 84711479 in words is "eighty-four million, seven hundred eleven thousand, four hundred seventy-nine".