6478834107 has 4 divisors (see below), whose sum is σ = 8638445480. Its totient is φ = 4319222736.

The previous prime is 6478834093. The next prime is 6478834157. The reversal of 6478834107 is 7014388746.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6478834107 - 2⁴ = 6478834091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6478834157) 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, 1079805682 + ... + 1079805687.

It is an arithmetic number, because the mean of its divisors is an integer number (2159611370).

Almost surely, 2^6478834107 is an apocalyptic number.

6478834107 is a deficient number, since it is larger than the sum of its proper divisors (2159611373).

6478834107 is a wasteful number, since it uses less digits than its factorization.

6478834107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159611372.

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 6478834107 is about 80491.2051531097. The cubic root of 6478834107 is about 1864.2276851181.

The spelling of 6478834107 in words is "six billion, four hundred seventy-eight million, eight hundred thirty-four thousand, one hundred seven".