3868617672 has 40 divisors (see below), whose sum is σ = 10835713350. Its totient is φ = 1289539008.

The previous prime is 3868617653. The next prime is 3868617761. The reversal of 3868617672 is 2767168683.

It can be written as a sum of positive squares in only one way, i.e., 3607924356 + 260693316 = 60066^2 + 16146^2 .

It is a super-2 number, since 2×3868617672² = 29932405384221399168, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2984397 + ... + 2985692.

Almost surely, 2^3868617672 is an apocalyptic number.

It is an amenable number.

3868617672 is an abundant number, since it is smaller than the sum of its proper divisors (6967095678).

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

3868617672 is a wasteful number, since it uses less digits than its factorization.

3868617672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970107 (or 5970094 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 3868617672 is about 62198.2127717509. The cubic root of 3868617672 is about 1569.8275159072.

The spelling of 3868617672 in words is "three billion, eight hundred sixty-eight million, six hundred seventeen thousand, six hundred seventy-two".