4778858398 has 16 divisors (see below), whose sum is σ = 7225916544. Its totient is φ = 2370294360.

The previous prime is 4778858323. The next prime is 4778858417. The reversal of 4778858398 is 8938588774.

It is a congruent number.

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, 111111 + ... + 147997.

It is an arithmetic number, because the mean of its divisors is an integer number (451619784).

Almost surely, 2^4778858398 is an apocalyptic number.

4778858398 is a deficient number, since it is larger than the sum of its proper divisors (2447058146).

4778858398 is a wasteful number, since it uses less digits than its factorization.

4778858398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37407.

The product of its digits is 108380160, while the sum is 67.

The square root of 4778858398 is about 69129.2875559990. The cubic root of 4778858398 is about 1684.3850859348.

The spelling of 4778858398 in words is "four billion, seven hundred seventy-eight million, eight hundred fifty-eight thousand, three hundred ninety-eight".