6878545970 has 8 divisors (see below), whose sum is σ = 12381382764. Its totient is φ = 2751418384.

The previous prime is 6878545963. The next prime is 6878545981. The reversal of 6878545970 is 795458786.

It is a happy number.

It is a Cunningham number, because it is equal to 82937²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 6878545969 + 1 = 82937^2 + 1^2 .

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

It is a super-2 number, since 2×6878545970² = 94628789322806481800, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 343927289 + ... + 343927308.

Almost surely, 2^6878545970 is an apocalyptic number.

6878545970 is a deficient number, since it is larger than the sum of its proper divisors (5502836794).

6878545970 is a wasteful number, since it uses less digits than its factorization.

6878545970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687854604.

The product of its (nonzero) digits is 16934400, while the sum is 59.

The square root of 6878545970 is about 82937.0000060287. Note that the first 5 decimals coincide. The cubic root of 6878545970 is about 1901.8030870487.

The spelling of 6878545970 in words is "six billion, eight hundred seventy-eight million, five hundred forty-five thousand, nine hundred seventy".