3887225717 has 4 divisors (see below), whose sum is σ = 3891456480. Its totient is φ = 3882994956.

The previous prime is 3887225707. The next prime is 3887225747. The reversal of 3887225717 is 7175227883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3887225717 is a prime.

It is a super-2 number, since 2×3887225717² = 30221047549812328178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887225707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2114003 + ... + 2115840.

It is an arithmetic number, because the mean of its divisors is an integer number (972864120).

Almost surely, 2^3887225717 is an apocalyptic number.

It is an amenable number.

3887225717 is a deficient number, since it is larger than the sum of its proper divisors (4230763).

3887225717 is an equidigital number, since it uses as much as digits as its factorization.

3887225717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230762.

The product of its digits is 1317120, while the sum is 50.

The square root of 3887225717 is about 62347.6199786327. The cubic root of 3887225717 is about 1572.3404471104.

The spelling of 3887225717 in words is "three billion, eight hundred eighty-seven million, two hundred twenty-five thousand, seven hundred seventeen".