3887342957 has 2 divisors, whose sum is σ = 3887342958. Its totient is φ = 3887342956.

The previous prime is 3887342947. The next prime is 3887343037. The reversal of 3887342957 is 7592437883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2640829321 + 1246513636 = 51389^2 + 35306^2 .

It is a cyclic number.

It is not a de Polignac number, because 3887342957 - 2¹⁰ = 3887341933 is a prime.

It is a super-2 number, since 2×3887342957² = 30222870530675007698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3887342947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1943671478 + 1943671479.

It is an arithmetic number, because the mean of its divisors is an integer number (1943671479).

Almost surely, 2^3887342957 is an apocalyptic number.

It is an amenable number.

3887342957 is a deficient number, since it is larger than the sum of its proper divisors (1).

3887342957 is an equidigital number, since it uses as much as digits as its factorization.

3887342957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 56.

The square root of 3887342957 is about 62348.5601838567. The cubic root of 3887342957 is about 1572.3562543857.

The spelling of 3887342957 in words is "three billion, eight hundred eighty-seven million, three hundred forty-two thousand, nine hundred fifty-seven".