842612579 has 8 divisors (see below), whose sum is σ = 852349680. Its totient is φ = 832928256.

The previous prime is 842612543. The next prime is 842612591. The reversal of 842612579 is 975216248.

It is a happy number.

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 842612579 - 2¹² = 842608483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842612509) 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 7 ways as a sum of consecutive naturals, for example, 19379 + ... + 45395.

It is an arithmetic number, because the mean of its divisors is an integer number (106543710).

Almost surely, 2^842612579 is an apocalyptic number.

842612579 is a deficient number, since it is larger than the sum of its proper divisors (9737101).

842612579 is a wasteful number, since it uses less digits than its factorization.

842612579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26389.

The product of its digits is 241920, while the sum is 44.

The square root of 842612579 is about 29027.7897711831. The cubic root of 842612579 is about 944.5159859127.

The spelling of 842612579 in words is "eight hundred forty-two million, six hundred twelve thousand, five hundred seventy-nine".