7000006987 has 4 divisors (see below), whose sum is σ = 7225813696. Its totient is φ = 6774200280.

The previous prime is 7000006973. The next prime is 7000006991. The reversal of 7000006987 is 7896000007.

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

It is a cyclic number.

It is not a de Polignac number, because 7000006987 - 2⁷ = 7000006859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7000006187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112903308 + ... + 112903369.

It is an arithmetic number, because the mean of its divisors is an integer number (1806453424).

Almost surely, 2^7000006987 is an apocalyptic number.

7000006987 is a deficient number, since it is larger than the sum of its proper divisors (225806709).

7000006987 is a wasteful number, since it uses less digits than its factorization.

7000006987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225806708.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 7000006987 is about 83666.0444087086. The cubic root of 7000006987 is about 1912.9318192317.

The spelling of 7000006987 in words is "seven billion, six thousand, nine hundred eighty-seven".