6798578454 has 32 divisors (see below), whose sum is σ = 15121981440. Its totient is φ = 2264088456.

The previous prime is 6798578447. The next prime is 6798578459. The reversal of 6798578454 is 4548758976.

6798578454 is a `hidden beast` number, since 6 + 7 + 9 + 8 + 578 + 4 + 54 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6798578391 and 6798578400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6798578459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787 + ... + 116609.

It is an arithmetic number, because the mean of its divisors is an integer number (472561920).

Almost surely, 2^6798578454 is an apocalyptic number.

6798578454 is an abundant number, since it is smaller than the sum of its proper divisors (8323402986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6798578454 is a wasteful number, since it uses less digits than its factorization.

6798578454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116921 (or 116915 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 63.

The square root of 6798578454 is about 82453.4926731427. The cubic root of 6798578454 is about 1894.4044469974.

The spelling of 6798578454 in words is "six billion, seven hundred ninety-eight million, five hundred seventy-eight thousand, four hundred fifty-four".