7868045887 has 8 divisors (see below), whose sum is σ = 8513440880. Its totient is φ = 7228388160.

The previous prime is 7868045851. The next prime is 7868045897. The reversal of 7868045887 is 7885408687.

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 7868045887 - 2²⁷ = 7733828159 is a prime.

It is a super-2 number, since 2×7868045887² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7868045897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1431462 + ... + 1436947.

It is an arithmetic number, because the mean of its divisors is an integer number (1064180110).

Almost surely, 2^7868045887 is an apocalyptic number.

7868045887 is a deficient number, since it is larger than the sum of its proper divisors (645394993).

7868045887 is a wasteful number, since it uses less digits than its factorization.

7868045887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868633.

The product of its (nonzero) digits is 24084480, while the sum is 61.

The square root of 7868045887 is about 88702.0061047099. The cubic root of 7868045887 is about 1988.9428058007.

The spelling of 7868045887 in words is "seven billion, eight hundred sixty-eight million, forty-five thousand, eight hundred eighty-seven".