84664562 has 8 divisors (see below), whose sum is σ = 127196892. Its totient is φ = 42265600.

The previous prime is 84664561. The next prime is 84664571. The reversal of 84664562 is 26546648.

It can be written as a sum of positive squares in 2 ways, for example, as 80982001 + 3682561 = 8999^2 + 1919^2 .

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

It is not an unprimeable number, because it can be changed into a prime (84664561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31739 + ... + 34302.

Almost surely, 2^84664562 is an apocalyptic number.

84664562 is a deficient number, since it is larger than the sum of its proper divisors (42532330).

84664562 is a wasteful number, since it uses less digits than its factorization.

84664562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66684.

The product of its digits is 276480, while the sum is 41.

The square root of 84664562 is about 9201.3347944741. The cubic root of 84664562 is about 439.1038267783.

The spelling of 84664562 in words is "eighty-four million, six hundred sixty-four thousand, five hundred sixty-two".