2870630861 has 8 divisors (see below), whose sum is σ = 3301618560. Its totient is φ = 2444867568.

The previous prime is 2870630857. The next prime is 2870630887. The reversal of 2870630861 is 1680360782.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2870630861 - 2² = 2870630857 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 (2870630261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304921 + ... + 1307118.

It is an arithmetic number, because the mean of its divisors is an integer number (412702320).

Almost surely, 2^2870630861 is an apocalyptic number.

It is an amenable number.

2870630861 is a deficient number, since it is larger than the sum of its proper divisors (430987699).

2870630861 is a wasteful number, since it uses less digits than its factorization.

2870630861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612203.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 2870630861 is about 53578.2685517179. The cubic root of 2870630861 is about 1421.2128203796.

The spelling of 2870630861 in words is "two billion, eight hundred seventy million, six hundred thirty thousand, eight hundred sixty-one".