83650081917 has 4 divisors (see below), whose sum is σ = 111533442560. Its totient is φ = 55766721276.

The previous prime is 83650081913. The next prime is 83650081927. The reversal of 83650081917 is 71918005638.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 83650081917 - 2² = 83650081913 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 (83650081913) 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, 13941680317 + ... + 13941680322.

It is an arithmetic number, because the mean of its divisors is an integer number (27883360640).

Almost surely, 2^83650081917 is an apocalyptic number.

It is an amenable number.

83650081917 is a deficient number, since it is larger than the sum of its proper divisors (27883360643).

83650081917 is a wasteful number, since it uses less digits than its factorization.

83650081917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27883360642.

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 83650081917 in words is "eighty-three billion, six hundred fifty million, eighty-one thousand, nine hundred seventeen".