84479461 has 4 divisors (see below), whose sum is σ = 92159424. Its totient is φ = 76799500.

The previous prime is 84479441. The next prime is 84479471. The reversal of 84479461 is 16497448.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84479461 - 2¹³ = 84471269 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 (84479401) 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, 3839965 + ... + 3839986.

It is an arithmetic number, because the mean of its divisors is an integer number (23039856).

Almost surely, 2^84479461 is an apocalyptic number.

It is an amenable number.

84479461 is a deficient number, since it is larger than the sum of its proper divisors (7679963).

84479461 is a wasteful number, since it uses less digits than its factorization.

84479461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7679962.

The product of its digits is 193536, while the sum is 43.

The square root of 84479461 is about 9191.2709132089. The cubic root of 84479461 is about 438.7835910137.

The spelling of 84479461 in words is "eighty-four million, four hundred seventy-nine thousand, four hundred sixty-one".