6987845170 has 8 divisors (see below), whose sum is σ = 12578121324. Its totient is φ = 2795138064.

The previous prime is 6987845167. The next prime is 6987845173. The reversal of 6987845170 is 715487896.

It is an interprime number because it is at equal distance from previous prime (6987845167) and next prime (6987845173).

It can be written as a sum of positive squares in 2 ways, for example, as 6710722561 + 277122609 = 81919^2 + 16647^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6987845173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349392249 + ... + 349392268.

Almost surely, 2^6987845170 is an apocalyptic number.

6987845170 is a deficient number, since it is larger than the sum of its proper divisors (5590276154).

6987845170 is a wasteful number, since it uses less digits than its factorization.

6987845170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698784524.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The square root of 6987845170 is about 83593.3320905442. The cubic root of 6987845170 is about 1911.8233339989.

The spelling of 6987845170 in words is "six billion, nine hundred eighty-seven million, eight hundred forty-five thousand, one hundred seventy".