675778446 has 24 divisors (see below), whose sum is σ = 1673356464. Its totient is φ = 193079520.

The previous prime is 675778409. The next prime is 675778487. The reversal of 675778446 is 644877576.

675778446 is a `hidden beast` number, since 67 + 577 + 8 + 4 + 4 + 6 = 666.

675778446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 675778392 and 675778401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2681535 + ... + 2681786.

It is an arithmetic number, because the mean of its divisors is an integer number (69723186).

Almost surely, 2^675778446 is an apocalyptic number.

675778446 is an abundant number, since it is smaller than the sum of its proper divisors (997578018).

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

675778446 is a wasteful number, since it uses less digits than its factorization.

675778446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5363336 (or 5363333 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 54.

The square root of 675778446 is about 25995.7389969972. The cubic root of 675778446 is about 877.5424052364.

The spelling of 675778446 in words is "six hundred seventy-five million, seven hundred seventy-eight thousand, four hundred forty-six".