82668288444458 has 8 divisors (see below), whose sum is σ = 126104168813760. Its totient is φ = 40633565506540.

The previous prime is 82668288444397. The next prime is 82668288444541. The reversal of 82668288444458 is 85444488286628.

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

It is a super-2 number, since 2×82668288444458² (a number of 29 digits) contains 22 as substring.

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, 350289357698 + ... + 350289357933.

It is an arithmetic number, because the mean of its divisors is an integer number (15763021101720).

Almost surely, 2^{82668288444458} is an apocalyptic number.

82668288444458 is a deficient number, since it is larger than the sum of its proper divisors (43435880369302).

82668288444458 is a wasteful number, since it uses less digits than its factorization.

82668288444458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700578715692.

The product of its digits is 6039797760, while the sum is 77.

The spelling of 82668288444458 in words is "eighty-two trillion, six hundred sixty-eight billion, two hundred eighty-eight million, four hundred forty-four thousand, four hundred fifty-eight".