987445544803 has 2 divisors, whose sum is σ = 987445544804. Its totient is φ = 987445544802.

The previous prime is 987445544779. The next prime is 987445544809. The reversal of 987445544803 is 308445544789.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 987445544803 - 2²¹ = 987443447651 is a prime.

It is not a weakly prime, because it can be changed into another prime (987445544809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493722772401 + 493722772402.

It is an arithmetic number, because the mean of its divisors is an integer number (493722772402).

Almost surely, 2^987445544803 is an apocalyptic number.

987445544803 is a deficient number, since it is larger than the sum of its proper divisors (1).

987445544803 is an equidigital number, since it uses as much as digits as its factorization.

987445544803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77414400, while the sum is 61.

The spelling of 987445544803 in words is "nine hundred eighty-seven billion, four hundred forty-five million, five hundred forty-four thousand, eight hundred three".