3867211864 has 8 divisors (see below), whose sum is σ = 7251022260. Its totient is φ = 1933605928.

The previous prime is 3867211847. The next prime is 3867211877. The reversal of 3867211864 is 4681127683.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241700734 + ... + 241700749.

Almost surely, 2^3867211864 is an apocalyptic number.

It is an amenable number.

3867211864 is a deficient number, since it is larger than the sum of its proper divisors (3383810396).

3867211864 is a wasteful number, since it uses less digits than its factorization.

3867211864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483401489 (or 483401485 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 3867211864 is about 62186.9107127859. The cubic root of 3867211864 is about 1569.6373408767.

The spelling of 3867211864 in words is "three billion, eight hundred sixty-seven million, two hundred eleven thousand, eight hundred sixty-four".