870258027567 has 4 divisors (see below), whose sum is σ = 1160344036760. Its totient is φ = 580172018376.

The previous prime is 870258027563. The next prime is 870258027589. The reversal of 870258027567 is 765720852078.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 870258027567 - 2² = 870258027563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870258027563) 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, 145043004592 + ... + 145043004597.

It is an arithmetic number, because the mean of its divisors is an integer number (290086009190).

Almost surely, 2^870258027567 is an apocalyptic number.

870258027567 is a deficient number, since it is larger than the sum of its proper divisors (290086009193).

870258027567 is a wasteful number, since it uses less digits than its factorization.

870258027567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290086009192.

The product of its (nonzero) digits is 13171200, while the sum is 57.

The spelling of 870258027567 in words is "eight hundred seventy billion, two hundred fifty-eight million, twenty-seven thousand, five hundred sixty-seven".