6870586505 has 4 divisors (see below), whose sum is σ = 8244703812. Its totient is φ = 5496469200.

The previous prime is 6870586493. The next prime is 6870586517. The reversal of 6870586505 is 5056850786.

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

It is an interprime number because it is at equal distance from previous prime (6870586493) and next prime (6870586517).

It can be written as a sum of positive squares in 2 ways, for example, as 3367248784 + 3503337721 = 58028^2 + 59189^2 .

It is not a de Polignac number, because 6870586505 - 2⁶ = 6870586441 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 687058646 + ... + 687058655.

It is an arithmetic number, because the mean of its divisors is an integer number (2061175953).

Almost surely, 2^6870586505 is an apocalyptic number.

It is an amenable number.

6870586505 is a deficient number, since it is larger than the sum of its proper divisors (1374117307).

6870586505 is a wasteful number, since it uses less digits than its factorization.

6870586505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374117306.

The product of its (nonzero) digits is 2016000, while the sum is 50.

The square root of 6870586505 is about 82889.0011099181. The cubic root of 6870586505 is about 1901.0692508755.

The spelling of 6870586505 in words is "six billion, eight hundred seventy million, five hundred eighty-six thousand, five hundred five".