2870390117 has 8 divisors (see below), whose sum is σ = 3284409600. Its totient is φ = 2457361584.

The previous prime is 2870390113. The next prime is 2870390167. The reversal of 2870390117 is 7110930782.

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 2870390117 - 2² = 2870390113 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 (2870390111) 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, 241517 + ... + 253122.

It is an arithmetic number, because the mean of its divisors is an integer number (410551200).

Almost surely, 2^2870390117 is an apocalyptic number.

It is an amenable number.

2870390117 is a deficient number, since it is larger than the sum of its proper divisors (414019483).

2870390117 is an equidigital number, since it uses as much as digits as its factorization.

2870390117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495475.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 2870390117 is about 53576.0218474646. The cubic root of 2870390117 is about 1421.1730895050.

The spelling of 2870390117 in words is "two billion, eight hundred seventy million, three hundred ninety thousand, one hundred seventeen".