675396778 has 8 divisors (see below), whose sum is σ = 1157823072. Its totient is φ = 289455756.

The previous prime is 675396751. The next prime is 675396871. The reversal of 675396778 is 877693576.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 24121300 + ... + 24121327.

It is an arithmetic number, because the mean of its divisors is an integer number (144727884).

Almost surely, 2^675396778 is an apocalyptic number.

675396778 is a deficient number, since it is larger than the sum of its proper divisors (482426294).

675396778 is a wasteful number, since it uses less digits than its factorization.

675396778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48242636.

The product of its digits is 13335840, while the sum is 58.

The square root of 675396778 is about 25988.3969878867. The cubic root of 675396778 is about 877.3771671909.

The spelling of 675396778 in words is "six hundred seventy-five million, three hundred ninety-six thousand, seven hundred seventy-eight".