82213702418 has 8 divisors (see below), whose sum is σ = 123714549948. Its totient is φ = 40975519104.

The previous prime is 82213702387. The next prime is 82213702463. The reversal of 82213702418 is 81420731228.

It can be written as a sum of positive squares in 2 ways, for example, as 77126732089 + 5086970329 = 277717^2 + 71323^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65665271 + ... + 65666522.

Almost surely, 2^82213702418 is an apocalyptic number.

82213702418 is a deficient number, since it is larger than the sum of its proper divisors (41500847530).

82213702418 is a wasteful number, since it uses less digits than its factorization.

82213702418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131332108.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 82213702418 in words is "eighty-two billion, two hundred thirteen million, seven hundred two thousand, four hundred eighteen".