84713479 has 4 divisors (see below), whose sum is σ = 84733560. Its totient is φ = 84693400.

The previous prime is 84713477. The next prime is 84713491. The reversal of 84713479 is 97431748.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84713479 - 2¹ = 84713477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84713477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997 + ... + 13054.

It is an arithmetic number, because the mean of its divisors is an integer number (21183390).

Almost surely, 2^84713479 is an apocalyptic number.

84713479 is a deficient number, since it is larger than the sum of its proper divisors (20081).

84713479 is a wasteful number, since it uses less digits than its factorization.

84713479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20080.

The product of its digits is 169344, while the sum is 43.

The square root of 84713479 is about 9203.9925575807. The cubic root of 84713479 is about 439.1883781180.

The spelling of 84713479 in words is "eighty-four million, seven hundred thirteen thousand, four hundred seventy-nine".