6678953 has 4 divisors (see below), whose sum is σ = 6685008. Its totient is φ = 6672900.

The previous prime is 6678929. The next prime is 6678967. The reversal of 6678953 is 3598766.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6678953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6678853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851 + ... + 3752.

It is an arithmetic number, because the mean of its divisors is an integer number (1671252).

Almost surely, 2^6678953 is an apocalyptic number.

It is an amenable number.

6678953 is a deficient number, since it is larger than the sum of its proper divisors (6055).

6678953 is a wasteful number, since it uses less digits than its factorization.

6678953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054.

The product of its digits is 272160, while the sum is 44.

The square root of 6678953 is about 2584.3670404956. The cubic root of 6678953 is about 188.3227536456.

The spelling of 6678953 in words is "six million, six hundred seventy-eight thousand, nine hundred fifty-three".