6678815134 has 8 divisors (see below), whose sum is σ = 10545497640. Its totient is φ = 3163649256.

The previous prime is 6678815093. The next prime is 6678815137. The reversal of 6678815134 is 4315188766.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6678815137) 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, 87879109 + ... + 87879184.

It is an arithmetic number, because the mean of its divisors is an integer number (1318187205).

Almost surely, 2^6678815134 is an apocalyptic number.

6678815134 is a deficient number, since it is larger than the sum of its proper divisors (3866682506).

6678815134 is a wasteful number, since it uses less digits than its factorization.

6678815134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175758314.

The product of its digits is 967680, while the sum is 49.

The square root of 6678815134 is about 81724.0180974969. The cubic root of 6678815134 is about 1883.2145785946.

The spelling of 6678815134 in words is "six billion, six hundred seventy-eight million, eight hundred fifteen thousand, one hundred thirty-four".