84669824057 has 64 divisors (see below), whose sum is σ = 110324121600. Its totient is φ = 64501012800.

The previous prime is 84669824009. The next prime is 84669824087. The reversal of 84669824057 is 75042896648.

It is a happy number.

It is not a de Polignac number, because 84669824057 - 2¹⁶ = 84669758521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84669823987 and 84669824005.

It is not an unprimeable number, because it can be changed into a prime (84669824087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29164868 + ... + 29167770.

It is an arithmetic number, because the mean of its divisors is an integer number (1723814400).

Almost surely, 2^84669824057 is an apocalyptic number.

It is an amenable number.

84669824057 is a deficient number, since it is larger than the sum of its proper divisors (25654297543).

84669824057 is a wasteful number, since it uses less digits than its factorization.

84669824057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179 (or 3165 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 84669824057 in words is "eighty-four billion, six hundred sixty-nine million, eight hundred twenty-four thousand, fifty-seven".