4477891716 has 18 divisors (see below), whose sum is σ = 11319115262. Its totient is φ = 1492630560.

The previous prime is 4477891699. The next prime is 4477891739. The reversal of 4477891716 is 6171987744.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3380957316 + 1096934400 = 58146^2 + 33120^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62192905 + ... + 62192976.

Almost surely, 2^4477891716 is an apocalyptic number.

It is an amenable number.

4477891716 is an abundant number, since it is smaller than the sum of its proper divisors (6841223546).

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

4477891716 is a wasteful number, since it uses less digits than its factorization.

4477891716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124385891 (or 124385886 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 54.

The square root of 4477891716 is about 66917.0510109344. The cubic root of 4477891716 is about 1648.2554829234.

The spelling of 4477891716 in words is "four billion, four hundred seventy-seven million, eight hundred ninety-one thousand, seven hundred sixteen".