3867102585025 has 9 divisors (see below), whose sum is σ = 4795219397731. Its totient is φ = 3093674202040.

The previous prime is 3867102585011. The next prime is 3867102585053. The reversal of 3867102585025 is 5205852017683.

The square root of 3867102585025 is 1966495.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1392156930609 + 2474945654416 = 1179897^2 + 1573196^2 .

It is not a de Polignac number, because 3867102585025 - 2⁵ = 3867102584993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9635826 + ... + 10029124.

Almost surely, 2^{3867102585025} is an apocalyptic number.

3867102585025 is the 1966495-th square number.

3867102585025 is the 983248-th centered octagonal number.

It is an amenable number.

3867102585025 is a deficient number, since it is larger than the sum of its proper divisors (928116812706).

3867102585025 is an frugal number, since it uses more digits than its factorization.

3867102585025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786608 (or 393304 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 3867102585025 in words is "three trillion, eight hundred sixty-seven billion, one hundred two million, five hundred eighty-five thousand, twenty-five".