2487877801873 has 2 divisors, whose sum is σ = 2487877801874. Its totient is φ = 2487877801872.

The previous prime is 2487877801859. The next prime is 2487877801921. The reversal of 2487877801873 is 3781087787842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2121237863809 + 366639938064 = 1456447^2 + 605508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2487877801873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2487877801373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243938900936 + 1243938900937.

It is an arithmetic number, because the mean of its divisors is an integer number (1243938900937).

Almost surely, 2^{2487877801873} is an apocalyptic number.

It is an amenable number.

2487877801873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2487877801873 is an equidigital number, since it uses as much as digits as its factorization.

2487877801873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236027904, while the sum is 70.

The spelling of 2487877801873 in words is "two trillion, four hundred eighty-seven billion, eight hundred seventy-seven million, eight hundred one thousand, eight hundred seventy-three".