842660860259 has 8 divisors (see below), whose sum is σ = 845156332800. Its totient is φ = 840168341896.

The previous prime is 842660860253. The next prime is 842660860273. The reversal of 842660860259 is 952068066248.

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 842660860259 - 2⁸ = 842660860003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842660860253) 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, 166559 + ... + 1308840.

It is an arithmetic number, because the mean of its divisors is an integer number (105644541600).

Almost surely, 2^842660860259 is an apocalyptic number.

842660860259 is a deficient number, since it is larger than the sum of its proper divisors (2495472541).

842660860259 is a wasteful number, since it uses less digits than its factorization.

842660860259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477089.

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 842660860259 in words is "eight hundred forty-two billion, six hundred sixty million, eight hundred sixty thousand, two hundred fifty-nine".