82268780231 has 8 divisors (see below), whose sum is σ = 90150219264. Its totient is φ = 74454417720.

The previous prime is 82268780227. The next prime is 82268780267. The reversal of 82268780231 is 13208786228.

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 82268780231 - 2² = 82268780227 is a prime.

It is a super-2 number, since 2×82268780231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82268780131) 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, 16766561 + ... + 16771466.

It is an arithmetic number, because the mean of its divisors is an integer number (11268777408).

Almost surely, 2^82268780231 is an apocalyptic number.

82268780231 is a deficient number, since it is larger than the sum of its proper divisors (7881439033).

82268780231 is a wasteful number, since it uses less digits than its factorization.

82268780231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33538261.

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 82268780231 in words is "eighty-two billion, two hundred sixty-eight million, seven hundred eighty thousand, two hundred thirty-one".