675803778 has 32 divisors (see below), whose sum is σ = 1475529216. Its totient is φ = 205089408.

The previous prime is 675803707. The next prime is 675803783. The reversal of 675803778 is 877308576.

It is a self number, because there is not a number n which added to its sum of digits gives 675803778.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 53650 + ... + 65037.

It is an arithmetic number, because the mean of its divisors is an integer number (46110288).

Almost surely, 2^675803778 is an apocalyptic number.

675803778 is an abundant number, since it is smaller than the sum of its proper divisors (799725438).

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

675803778 is a wasteful number, since it uses less digits than its factorization.

675803778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118778.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The square root of 675803778 is about 25996.2262261275. The cubic root of 675803778 is about 877.5533701843.

The spelling of 675803778 in words is "six hundred seventy-five million, eight hundred three thousand, seven hundred seventy-eight".