870585857241 has 16 divisors (see below), whose sum is σ = 1192226785344. Its totient is φ = 564669676224.

The previous prime is 870585857231. The next prime is 870585857279. The reversal of 870585857241 is 142758585078.

It is a happy number.

It is not a de Polignac number, because 870585857241 - 2¹¹ = 870585855193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (870585857221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1641735 + ... + 2106291.

It is an arithmetic number, because the mean of its divisors is an integer number (74514174084).

Almost surely, 2^870585857241 is an apocalyptic number.

It is an amenable number.

870585857241 is a deficient number, since it is larger than the sum of its proper divisors (321640928103).

870585857241 is a wasteful number, since it uses less digits than its factorization.

870585857241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481480.

The product of its (nonzero) digits is 25088000, while the sum is 60.

The spelling of 870585857241 in words is "eight hundred seventy billion, five hundred eighty-five million, eight hundred fifty-seven thousand, two hundred forty-one".