3887674445 has 4 divisors (see below), whose sum is σ = 4665209340. Its totient is φ = 3110139552.

The previous prime is 3887674411. The next prime is 3887674447. The reversal of 3887674445 is 5444767883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1658607076 + 2229067369 = 40726^2 + 47213^2 .

It is a cyclic number.

It is not a de Polignac number, because 3887674445 - 2¹² = 3887670349 is a prime.

It is a super-2 number, since 2×3887674445² = 30228025180612116050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887674447) 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, 388767440 + ... + 388767449.

It is an arithmetic number, because the mean of its divisors is an integer number (1166302335).

Almost surely, 2^3887674445 is an apocalyptic number.

It is an amenable number.

3887674445 is a deficient number, since it is larger than the sum of its proper divisors (777534895).

3887674445 is an equidigital number, since it uses as much as digits as its factorization.

3887674445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777534894.

The product of its digits is 18063360, while the sum is 56.

The square root of 3887674445 is about 62351.2184724565. The cubic root of 3887674445 is about 1572.4009466447.

The spelling of 3887674445 in words is "three billion, eight hundred eighty-seven million, six hundred seventy-four thousand, four hundred forty-five".