39887800485703 has 2 divisors, whose sum is σ = 39887800485704. Its totient is φ = 39887800485702.

The previous prime is 39887800485647. The next prime is 39887800485707. The reversal of 39887800485703 is 30758400878893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39887800485703 - 2²¹ = 39887798388551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39887800485707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19943900242851 + 19943900242852.

It is an arithmetic number, because the mean of its divisors is an integer number (19943900242852).

Almost surely, 2^{39887800485703} is an apocalyptic number.

39887800485703 is a deficient number, since it is larger than the sum of its proper divisors (1).

39887800485703 is an equidigital number, since it uses as much as digits as its factorization.

39887800485703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 325140480, while the sum is 70.

The spelling of 39887800485703 in words is "thirty-nine trillion, eight hundred eighty-seven billion, eight hundred million, four hundred eighty-five thousand, seven hundred three".