971868208 has 20 divisors (see below), whose sum is σ = 1918524528. Its totient is φ = 476765120.

The previous prime is 971868187. The next prime is 971868211. The reversal of 971868208 is 802868179.

It is a super-2 number, since 2×971868208² = 1889055627442262528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572188 + ... + 573883.

Almost surely, 2^971868208 is an apocalyptic number.

It is an amenable number.

971868208 is a deficient number, since it is larger than the sum of its proper divisors (946656320).

971868208 is a wasteful number, since it uses less digits than its factorization.

971868208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146132 (or 1146126 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 971868208 is about 31174.8008494040. The cubic root of 971868208 is about 990.5334023160.

The spelling of 971868208 in words is "nine hundred seventy-one million, eight hundred sixty-eight thousand, two hundred eight".