84664473 has 8 divisors (see below), whose sum is σ = 115937088. Its totient is φ = 54917424.

The previous prime is 84664429. The next prime is 84664477. The reversal of 84664473 is 37446648.

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

It is not a de Polignac number, because 84664473 - 2⁶ = 84664409 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (84664477) 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, 381261 + ... + 381482.

It is an arithmetic number, because the mean of its divisors is an integer number (14492136).

Almost surely, 2^84664473 is an apocalyptic number.

It is an amenable number.

84664473 is a deficient number, since it is larger than the sum of its proper divisors (31272615).

84664473 is a wasteful number, since it uses less digits than its factorization.

84664473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762783.

The product of its digits is 387072, while the sum is 42.

The square root of 84664473 is about 9201.3299582180. The cubic root of 84664473 is about 439.1036729152.

The spelling of 84664473 in words is "eighty-four million, six hundred sixty-four thousand, four hundred seventy-three".