83215568215 has 8 divisors (see below), whose sum is σ = 107540119008. Its totient is φ = 61451496480.

The previous prime is 83215568213. The next prime is 83215568221. The reversal of 83215568215 is 51286551238.

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

It is not a de Polignac number, because 83215568215 - 2¹ = 83215568213 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 (83215568213) 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, 640119691 + ... + 640119820.

It is an arithmetic number, because the mean of its divisors is an integer number (13442514876).

Almost surely, 2^83215568215 is an apocalyptic number.

83215568215 is a deficient number, since it is larger than the sum of its proper divisors (24324550793).

83215568215 is a wasteful number, since it uses less digits than its factorization.

83215568215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280239529.

The product of its digits is 576000, while the sum is 46.

The spelling of 83215568215 in words is "eighty-three billion, two hundred fifteen million, five hundred sixty-eight thousand, two hundred fifteen".