3896545787 has 2 divisors, whose sum is σ = 3896545788. Its totient is φ = 3896545786.

The previous prime is 3896545781. The next prime is 3896545799. The reversal of 3896545787 is 7875456983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3896545787 - 2⁴ = 3896545771 is a prime.

It is not a weakly prime, because it can be changed into another prime (3896545781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1948272893 + 1948272894.

It is an arithmetic number, because the mean of its divisors is an integer number (1948272894).

Almost surely, 2^3896545787 is an apocalyptic number.

3896545787 is a deficient number, since it is larger than the sum of its proper divisors (1).

3896545787 is an equidigital number, since it uses as much as digits as its factorization.

3896545787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50803200, while the sum is 62.

The square root of 3896545787 is about 62422.3180200800. The cubic root of 3896545787 is about 1573.5960664016.

The spelling of 3896545787 in words is "three billion, eight hundred ninety-six million, five hundred forty-five thousand, seven hundred eighty-seven".