865081275242 has 8 divisors (see below), whose sum is σ = 1297756787616. Its totient is φ = 432495679372.

The previous prime is 865081275203. The next prime is 865081275271. The reversal of 865081275242 is 242572180568.

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

It is a super-2 number, since 2×865081275242² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22455068 + ... + 22493559.

It is an arithmetic number, because the mean of its divisors is an integer number (162219598452).

Almost surely, 2^865081275242 is an apocalyptic number.

865081275242 is a deficient number, since it is larger than the sum of its proper divisors (432675512374).

865081275242 is a wasteful number, since it uses less digits than its factorization.

865081275242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44958252.

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 865081275242 in words is "eight hundred sixty-five billion, eighty-one million, two hundred seventy-five thousand, two hundred forty-two".