83708556853 has 8 divisors (see below), whose sum is σ = 84103635672. Its totient is φ = 83314016256.

The previous prime is 83708556829. The next prime is 83708556871. The reversal of 83708556853 is 35865580738.

It can be written as a sum of positive squares in 4 ways, for example, as 27113574244 + 56594982609 = 164662^2 + 237897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83708556853 - 2¹³ = 83708548661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83708656853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178951 + ... + 446587.

It is an arithmetic number, because the mean of its divisors is an integer number (10512954459).

Almost surely, 2^83708556853 is an apocalyptic number.

It is an amenable number.

83708556853 is a deficient number, since it is larger than the sum of its proper divisors (395078819).

83708556853 is a wasteful number, since it uses less digits than its factorization.

83708556853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269111.

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 83708556853 in words is "eighty-three billion, seven hundred eight million, five hundred fifty-six thousand, eight hundred fifty-three".