7870859087 has 16 divisors (see below), whose sum is σ = 10257049152. Its totient is φ = 5861168640.

The previous prime is 7870859083. The next prime is 7870859137. The reversal of 7870859087 is 7809580787.

It is a cyclic number.

It is not a de Polignac number, because 7870859087 - 2² = 7870859083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7870859081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2542364 + ... + 2545457.

It is an arithmetic number, because the mean of its divisors is an integer number (641065572).

Almost surely, 2^7870859087 is an apocalyptic number.

7870859087 is a deficient number, since it is larger than the sum of its proper divisors (2386190065).

7870859087 is a wasteful number, since it uses less digits than its factorization.

7870859087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087858.

The product of its (nonzero) digits is 7902720, while the sum is 59.

The square root of 7870859087 is about 88717.8622769958. The cubic root of 7870859087 is about 1989.1798247189.

The spelling of 7870859087 in words is "seven billion, eight hundred seventy million, eight hundred fifty-nine thousand, eighty-seven".