83958163837 has 8 divisors (see below), whose sum is σ = 84187909976. Its totient is φ = 83728510272.

The previous prime is 83958163829. The next prime is 83958163853. The reversal of 83958163837 is 73836185938.

It can be written as a sum of positive squares in 4 ways, for example, as 13035017241 + 70923146596 = 114171^2 + 266314^2 .

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 83958163837 - 2³ = 83958163829 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 (83958163897) 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, 2042863 + ... + 2083555.

It is an arithmetic number, because the mean of its divisors is an integer number (10523488747).

Almost surely, 2^83958163837 is an apocalyptic number.

It is an amenable number.

83958163837 is a deficient number, since it is larger than the sum of its proper divisors (229746139).

83958163837 is a wasteful number, since it uses less digits than its factorization.

83958163837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46287.

The product of its digits is 26127360, while the sum is 61.

The spelling of 83958163837 in words is "eighty-three billion, nine hundred fifty-eight million, one hundred sixty-three thousand, eight hundred thirty-seven".