3870286664 has 8 divisors (see below), whose sum is σ = 7256787510. Its totient is φ = 1935143328.

The previous prime is 3870286639. The next prime is 3870286733. The reversal of 3870286664 is 4666820783.

It can be written as a sum of positive squares in only one way, i.e., 3464264164 + 406022500 = 58858^2 + 20150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241892909 + ... + 241892924.

Almost surely, 2^3870286664 is an apocalyptic number.

It is an amenable number.

3870286664 is a deficient number, since it is larger than the sum of its proper divisors (3386500846).

3870286664 is a wasteful number, since it uses less digits than its factorization.

3870286664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483785839 (or 483785835 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 50.

The square root of 3870286664 is about 62211.6280449242. The cubic root of 3870286664 is about 1570.0532341613.

The spelling of 3870286664 in words is "three billion, eight hundred seventy million, two hundred eighty-six thousand, six hundred sixty-four".