2487877801871 has 16 divisors (see below), whose sum is σ = 3201826818048. Its totient is φ = 1876070397600.

The previous prime is 2487877801859. The next prime is 2487877801873. The reversal of 2487877801871 is 1781087787842.

It is not a de Polignac number, because 2487877801871 - 2⁶ = 2487877801807 is a prime.

It is a super-2 number, since 2×2487877801871² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487877801873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521128280 + ... + 521133053.

It is an arithmetic number, because the mean of its divisors is an integer number (200114176128).

Almost surely, 2^{2487877801871} is an apocalyptic number.

2487877801871 is a deficient number, since it is larger than the sum of its proper divisors (713949016177).

2487877801871 is a wasteful number, since it uses less digits than its factorization.

2487877801871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042261382.

The product of its (nonzero) digits is 78675968, while the sum is 68.

The spelling of 2487877801871 in words is "two trillion, four hundred eighty-seven billion, eight hundred seventy-seven million, eight hundred one thousand, eight hundred seventy-one".