4695644978 has 16 divisors (see below), whose sum is σ = 7219107456. Its totient is φ = 2289455280.

The previous prime is 4695644963. The next prime is 4695644981. The reversal of 4695644978 is 8794465964.

It is a self number, because there is not a number n which added to its sum of digits gives 4695644978.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8183 + ... + 97253.

It is an arithmetic number, because the mean of its divisors is an integer number (451194216).

Almost surely, 2^4695644978 is an apocalyptic number.

4695644978 is a deficient number, since it is larger than the sum of its proper divisors (2523462478).

4695644978 is a wasteful number, since it uses less digits than its factorization.

4695644978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89729.

The product of its digits is 52254720, while the sum is 62.

The square root of 4695644978 is about 68524.7763805180. The cubic root of 4695644978 is about 1674.5511506022.

The spelling of 4695644978 in words is "four billion, six hundred ninety-five million, six hundred forty-four thousand, nine hundred seventy-eight".