842166667 has 8 divisors (see below), whose sum is σ = 849204720. Its totient is φ = 835142880.

The previous prime is 842166631. The next prime is 842166761. The reversal of 842166667 is 766661248.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842166667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842166167) 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, 137817 + ... + 143797.

It is an arithmetic number, because the mean of its divisors is an integer number (106150590).

Almost surely, 2^842166667 is an apocalyptic number.

842166667 is a deficient number, since it is larger than the sum of its proper divisors (7038053).

842166667 is a wasteful number, since it uses less digits than its factorization.

842166667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7133.

The product of its digits is 580608, while the sum is 46.

The square root of 842166667 is about 29020.1079770562. The cubic root of 842166667 is about 944.3493433617.

The spelling of 842166667 in words is "eight hundred forty-two million, one hundred sixty-six thousand, six hundred sixty-seven".