7842104666 has 8 divisors (see below), whose sum is σ = 12832534944. Its totient is φ = 3564593020.

The previous prime is 7842104663. The next prime is 7842104693. The reversal of 7842104666 is 6664012487.

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

It is a super-2 number, since 2×7842104666² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7842104663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178229630 + ... + 178229673.

It is an arithmetic number, because the mean of its divisors is an integer number (1604066868).

Almost surely, 2^7842104666 is an apocalyptic number.

7842104666 is a deficient number, since it is larger than the sum of its proper divisors (4990430278).

7842104666 is a wasteful number, since it uses less digits than its factorization.

7842104666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356459316.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 7842104666 is about 88555.6585769650. The cubic root of 7842104666 is about 1986.7545278858.

The spelling of 7842104666 in words is "seven billion, eight hundred forty-two million, one hundred four thousand, six hundred sixty-six".