84935479 has 4 divisors (see below), whose sum is σ = 85555584. Its totient is φ = 84315376.

The previous prime is 84935467. The next prime is 84935489. The reversal of 84935479 is 97453948.

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 84935479 - 2⁷ = 84935351 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84935419) 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, 309847 + ... + 310120.

It is an arithmetic number, because the mean of its divisors is an integer number (21388896).

Almost surely, 2^84935479 is an apocalyptic number.

84935479 is a deficient number, since it is larger than the sum of its proper divisors (620105).

84935479 is a wasteful number, since it uses less digits than its factorization.

84935479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620104.

The product of its digits is 1088640, while the sum is 49.

The square root of 84935479 is about 9216.0446504995. The cubic root of 84935479 is about 439.5716889189.

The spelling of 84935479 in words is "eighty-four million, nine hundred thirty-five thousand, four hundred seventy-nine".