6870376655 has 4 divisors (see below), whose sum is σ = 8244451992. Its totient is φ = 5496301320.

The previous prime is 6870376607. The next prime is 6870376661. The reversal of 6870376655 is 5566730786.

It is a happy number.

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

It is not a de Polignac number, because 6870376655 - 2²⁰ = 6869328079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6870376597 and 6870376606.

It is a congruent 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, 687037661 + ... + 687037670.

It is an arithmetic number, because the mean of its divisors is an integer number (2061112998).

Almost surely, 2^6870376655 is an apocalyptic number.

6870376655 is a deficient number, since it is larger than the sum of its proper divisors (1374075337).

6870376655 is a wasteful number, since it uses less digits than its factorization.

6870376655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374075336.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The square root of 6870376655 is about 82887.7352507595. The cubic root of 6870376655 is about 1901.0498957378.

The spelling of 6870376655 in words is "six billion, eight hundred seventy million, three hundred seventy-six thousand, six hundred fifty-five".