6781190097 has 8 divisors (see below), whose sum is σ = 9863549280. Its totient is φ = 4109812160.

The previous prime is 6781190029. The next prime is 6781190123. The reversal of 6781190097 is 7900911876.

It is a happy number.

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 6781190097 - 2¹² = 6781186001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6781194097) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 102745272 + ... + 102745337.

It is an arithmetic number, because the mean of its divisors is an integer number (1232943660).

Almost surely, 2^6781190097 is an apocalyptic number.

It is an amenable number.

6781190097 is a deficient number, since it is larger than the sum of its proper divisors (3082359183).

6781190097 is a wasteful number, since it uses less digits than its factorization.

6781190097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205490623.

The product of its (nonzero) digits is 190512, while the sum is 48.

The square root of 6781190097 is about 82347.9817421168. The cubic root of 6781190097 is about 1892.7879961236.

It can be divided in two parts, 6781 and 190097, that added together give a triangular number (196878 = T₆₂₇).

The spelling of 6781190097 in words is "six billion, seven hundred eighty-one million, one hundred ninety thousand, ninety-seven".