4445081887 has 2 divisors, whose sum is σ = 4445081888. Its totient is φ = 4445081886.

The previous prime is 4445081833. The next prime is 4445081899. The reversal of 4445081887 is 7881805444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4445081887 - 2¹⁹ = 4444557599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4445081887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4445081827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222540943 + 2222540944.

It is an arithmetic number, because the mean of its divisors is an integer number (2222540944).

Almost surely, 2^4445081887 is an apocalyptic number.

4445081887 is a deficient number, since it is larger than the sum of its proper divisors (1).

4445081887 is an equidigital number, since it uses as much as digits as its factorization.

4445081887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1146880, while the sum is 49.

The square root of 4445081887 is about 66671.4473144239. The cubic root of 4445081887 is about 1644.2199825558.

The spelling of 4445081887 in words is "four billion, four hundred forty-five million, eighty-one thousand, eight hundred eighty-seven".