4697773978 has 16 divisors (see below), whose sum is σ = 7437132000. Its totient is φ = 2219383152.

The previous prime is 4697773957. The next prime is 4697773979. The reversal of 4697773978 is 8793777964.

It is not an unprimeable number, because it can be changed into a prime (4697773979) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 148693 + ... + 177496.

It is an arithmetic number, because the mean of its divisors is an integer number (464820750).

Almost surely, 2^4697773978 is an apocalyptic number.

4697773978 is a deficient number, since it is larger than the sum of its proper divisors (2739358022).

4697773978 is a wasteful number, since it uses less digits than its factorization.

4697773978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326589.

The product of its digits is 112021056, while the sum is 67.

The square root of 4697773978 is about 68540.3091472456. The cubic root of 4697773978 is about 1674.8041922145.

The spelling of 4697773978 in words is "four billion, six hundred ninety-seven million, seven hundred seventy-three thousand, nine hundred seventy-eight".