83826220385 has 8 divisors (see below), whose sum is σ = 101118122496. Its totient is φ = 66709870960.

The previous prime is 83826220381. The next prime is 83826220391. The reversal of 83826220385 is 58302262838.

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

It is not a de Polignac number, because 83826220385 - 2² = 83826220381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83826220381) 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, 43887119 + ... + 43889028.

It is an arithmetic number, because the mean of its divisors is an integer number (12639765312).

Almost surely, 2^83826220385 is an apocalyptic number.

It is an amenable number.

83826220385 is a deficient number, since it is larger than the sum of its proper divisors (17291902111).

83826220385 is a wasteful number, since it uses less digits than its factorization.

83826220385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87776343.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 83826220385 in words is "eighty-three billion, eight hundred twenty-six million, two hundred twenty thousand, three hundred eighty-five".