84769853 has 12 divisors (see below), whose sum is σ = 98855100. Its totient is φ = 72479232.

The previous prime is 84769819. The next prime is 84769873. The reversal of 84769853 is 35896748.

It can be written as a sum of positive squares in 2 ways, for example, as 72812089 + 11957764 = 8533^2 + 3458^2 .

It is not a de Polignac number, because 84769853 - 2¹⁰ = 84768829 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84769873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20075 + ... + 23927.

It is an arithmetic number, because the mean of its divisors is an integer number (8237925).

Almost surely, 2^84769853 is an apocalyptic number.

It is an amenable number.

84769853 is a deficient number, since it is larger than the sum of its proper divisors (14085247).

84769853 is a wasteful number, since it uses less digits than its factorization.

84769853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316 (or 4309 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 84769853 is about 9207.0545235705. The cubic root of 84769853 is about 439.2857782637.

The spelling of 84769853 in words is "eighty-four million, seven hundred sixty-nine thousand, eight hundred fifty-three".