3886877641 has 2 divisors, whose sum is σ = 3886877642. Its totient is φ = 3886877640.

The previous prime is 3886877609. The next prime is 3886877647. The reversal of 3886877641 is 1467786883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2381049616 + 1505828025 = 48796^2 + 38805^2 .

It is a cyclic number.

It is not a de Polignac number, because 3886877641 - 2⁵ = 3886877609 is a prime.

It is a super-2 number, since 2×3886877641² = 30215635592211449762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3886877647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1943438820 + 1943438821.

It is an arithmetic number, because the mean of its divisors is an integer number (1943438821).

Almost surely, 2^3886877641 is an apocalyptic number.

It is an amenable number.

3886877641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3886877641 is an equidigital number, since it uses as much as digits as its factorization.

3886877641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10838016, while the sum is 58.

The square root of 3886877641 is about 62344.8285024508. The cubic root of 3886877641 is about 1572.2935147264.

The spelling of 3886877641 in words is "three billion, eight hundred eighty-six million, eight hundred seventy-seven thousand, six hundred forty-one".