4174778664 has 64 divisors (see below), whose sum is σ = 13253270400. Its totient is φ = 1192793472.

The previous prime is 4174778623. The next prime is 4174778693. The reversal of 4174778664 is 4668774714.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 4174778664.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379037 + ... + 1382060.

It is an arithmetic number, because the mean of its divisors is an integer number (207082350).

Almost surely, 2^4174778664 is an apocalyptic number.

It is an amenable number.

4174778664 is an abundant number, since it is smaller than the sum of its proper divisors (9078491736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4174778664 is a wasteful number, since it uses less digits than its factorization.

4174778664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761119 (or 2761109 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 54.

The square root of 4174778664 is about 64612.5271445097. The cubic root of 4174778664 is about 1610.1925703587.

The spelling of 4174778664 in words is "four billion, one hundred seventy-four million, seven hundred seventy-eight thousand, six hundred sixty-four".