84479953 has 8 divisors (see below), whose sum is σ = 89746272. Its totient is φ = 79246656.

The previous prime is 84479951. The next prime is 84479959. The reversal of 84479953 is 35997448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84479953 - 2¹ = 84479951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84479897 and 84479906.

It is not an unprimeable number, because it can be changed into a prime (84479951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2875 + ... + 13312.

It is an arithmetic number, because the mean of its divisors is an integer number (11218284).

Almost surely, 2^84479953 is an apocalyptic number.

It is an amenable number.

84479953 is a deficient number, since it is larger than the sum of its proper divisors (5266319).

84479953 is a wasteful number, since it uses less digits than its factorization.

84479953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16511.

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

The square root of 84479953 is about 9191.2976776949. The cubic root of 84479953 is about 438.7844428228.

The spelling of 84479953 in words is "eighty-four million, four hundred seventy-nine thousand, nine hundred fifty-three".