83168123677 has 4 divisors (see below), whose sum is σ = 83191667580. Its totient is φ = 83144579776.

The previous prime is 83168123629. The next prime is 83168123683. The reversal of 83168123677 is 77632186138.

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 52860447396 + 30307676281 = 229914^2 + 174091^2 .

It is a cyclic number.

It is not a de Polignac number, because 83168123677 - 2¹¹ = 83168121629 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 (83168123777) 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, 11766652 + ... + 11773717.

It is an arithmetic number, because the mean of its divisors is an integer number (20797916895).

Almost surely, 2^83168123677 is an apocalyptic number.

It is an amenable number.

83168123677 is a deficient number, since it is larger than the sum of its proper divisors (23543903).

83168123677 is a wasteful number, since it uses less digits than its factorization.

83168123677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23543902.

The product of its digits is 2032128, while the sum is 52.

The spelling of 83168123677 in words is "eighty-three billion, one hundred sixty-eight million, one hundred twenty-three thousand, six hundred seventy-seven".