4778166970 has 16 divisors (see below), whose sum is σ = 8974644480. Its totient is φ = 1828168144.

The previous prime is 4778166907. The next prime is 4778166973. The reversal of 4778166970 is 796618774.

It is not an unprimeable number, because it can be changed into a prime (4778166973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10387090 + ... + 10387549.

It is an arithmetic number, because the mean of its divisors is an integer number (560915280).

Almost surely, 2^4778166970 is an apocalyptic number.

4778166970 is a deficient number, since it is larger than the sum of its proper divisors (4196477510).

4778166970 is a wasteful number, since it uses less digits than its factorization.

4778166970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20774669.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 4778166970 is about 69124.2863977633. The cubic root of 4778166970 is about 1684.3038470637.

The spelling of 4778166970 in words is "four billion, seven hundred seventy-eight million, one hundred sixty-six thousand, nine hundred seventy".