84869653 has 4 divisors (see below), whose sum is σ = 92585088. Its totient is φ = 77154220.

The previous prime is 84869623. The next prime is 84869657. The reversal of 84869653 is 35696848.

It is a happy number.

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 not a de Polignac number, because 84869653 - 2¹⁷ = 84738581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84869597 and 84869606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84869657) 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, 3857701 + ... + 3857722.

It is an arithmetic number, because the mean of its divisors is an integer number (23146272).

Almost surely, 2^84869653 is an apocalyptic number.

It is an amenable number.

84869653 is a deficient number, since it is larger than the sum of its proper divisors (7715435).

84869653 is a wasteful number, since it uses less digits than its factorization.

84869653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7715434.

The product of its digits is 1244160, while the sum is 49.

The square root of 84869653 is about 9212.4726865267. The cubic root of 84869653 is about 439.4581018187.

The spelling of 84869653 in words is "eighty-four million, eight hundred sixty-nine thousand, six hundred fifty-three".