84585489029 has 4 divisors (see below), whose sum is σ = 87502230060. Its totient is φ = 81668748000.

The previous prime is 84585488963. The next prime is 84585489077. The reversal of 84585489029 is 92098458548.

It is a happy number.

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 66050028004 + 18535461025 = 257002^2 + 136145^2 .

It is a cyclic number.

It is not a de Polignac number, because 84585489029 - 2⁸ = 84585488773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84585489529) 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, 1458370472 + ... + 1458370529.

It is an arithmetic number, because the mean of its divisors is an integer number (21875557515).

Almost surely, 2^84585489029 is an apocalyptic number.

It is an amenable number.

84585489029 is a deficient number, since it is larger than the sum of its proper divisors (2916741031).

84585489029 is a wasteful number, since it uses less digits than its factorization.

84585489029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916741030.

The product of its (nonzero) digits is 33177600, while the sum is 62.

The spelling of 84585489029 in words is "eighty-four billion, five hundred eighty-five million, four hundred eighty-nine thousand, twenty-nine".