842561475670 has 8 divisors (see below), whose sum is σ = 1516610656224. Its totient is φ = 337024590264.

The previous prime is 842561475667. The next prime is 842561475673. The reversal of 842561475670 is 76574165248.

It is an interprime number because it is at equal distance from previous prime (842561475667) and next prime (842561475673).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842561475673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42128073774 + ... + 42128073793.

It is an arithmetic number, because the mean of its divisors is an integer number (189576332028).

Almost surely, 2^842561475670 is an apocalyptic number.

842561475670 is a deficient number, since it is larger than the sum of its proper divisors (674049180554).

842561475670 is a wasteful number, since it uses less digits than its factorization.

842561475670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84256147574.

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 842561475670 in words is "eight hundred forty-two billion, five hundred sixty-one million, four hundred seventy-five thousand, six hundred seventy".