84810656 has 24 divisors (see below), whose sum is σ = 190824480. Its totient is φ = 36347328.

The previous prime is 84810643. The next prime is 84810659. The reversal of 84810656 is 65601848.

It is not an unprimeable number, because it can be changed into a prime (84810659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189086 + ... + 189533.

It is an arithmetic number, because the mean of its divisors is an integer number (7951020).

Almost surely, 2^84810656 is an apocalyptic number.

It is an amenable number.

84810656 is an abundant number, since it is smaller than the sum of its proper divisors (106013824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84810656 is a wasteful number, since it uses less digits than its factorization.

84810656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378636 (or 378628 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 84810656 is about 9209.2701122293. The cubic root of 84810656 is about 439.3562486880.

The spelling of 84810656 in words is "eighty-four million, eight hundred ten thousand, six hundred fifty-six".