6835198887 has 18 divisors (see below), whose sum is σ = 10852213736. Its totient is φ = 4142544120.

The previous prime is 6835198883. The next prime is 6835198889. The reversal of 6835198887 is 7888915386.

6835198887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6835198887 - 2² = 6835198883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6835198883) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3137203 + ... + 3139380.

Almost surely, 2^6835198887 is an apocalyptic number.

6835198887 is a deficient number, since it is larger than the sum of its proper divisors (4017014849).

6835198887 is a wasteful number, since it uses less digits than its factorization.

6835198887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276611 (or 6276597 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The square root of 6835198887 is about 82675.2616385337. The cubic root of 6835198887 is about 1897.7997510071.

The spelling of 6835198887 in words is "six billion, eight hundred thirty-five million, one hundred ninety-eight thousand, eight hundred eighty-seven".