6787421854 has 16 divisors (see below), whose sum is σ = 10625915520. Its totient is φ = 3245509080.

The previous prime is 6787421833. The next prime is 6787421867. The reversal of 6787421854 is 4581247876.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281869 + ... + 304999.

It is an arithmetic number, because the mean of its divisors is an integer number (664119720).

Almost surely, 2^6787421854 is an apocalyptic number.

6787421854 is a deficient number, since it is larger than the sum of its proper divisors (3838493666).

6787421854 is a wasteful number, since it uses less digits than its factorization.

6787421854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29535.

The product of its digits is 3010560, while the sum is 52.

The square root of 6787421854 is about 82385.8109992249. The cubic root of 6787421854 is about 1893.3676280804.

The spelling of 6787421854 in words is "six billion, seven hundred eighty-seven million, four hundred twenty-one thousand, eight hundred fifty-four".