84652769 has 4 divisors (see below), whose sum is σ = 87571860. Its totient is φ = 81733680.

The previous prime is 84652759. The next prime is 84652817. The reversal of 84652769 is 96725648.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45427600 + 39225169 = 6740^2 + 6263^2 .

It is a cyclic number.

It is not a de Polignac number, because 84652769 - 2⁴ = 84652753 is a prime.

It is a super-2 number, since 2×84652769² = 14332182598734722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84652759) 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, 1459502 + ... + 1459559.

It is an arithmetic number, because the mean of its divisors is an integer number (21892965).

Almost surely, 2^84652769 is an apocalyptic number.

It is an amenable number.

84652769 is a deficient number, since it is larger than the sum of its proper divisors (2919091).

84652769 is a wasteful number, since it uses less digits than its factorization.

84652769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919090.

The product of its digits is 725760, while the sum is 47.

The square root of 84652769 is about 9200.6939412199. The cubic root of 84652769 is about 439.0834381145.

The spelling of 84652769 in words is "eighty-four million, six hundred fifty-two thousand, seven hundred sixty-nine".