2871625317880 has 64 divisors (see below), whose sum is σ = 7059199027680. Its totient is φ = 1042647513600.

The previous prime is 2871625317787. The next prime is 2871625317889. The reversal of 2871625317880 is 887135261782.

It is a super-2 number, since 2×2871625317880² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871625317889) 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, 4645939 + ... + 5227618.

Almost surely, 2^{2871625317880} is an apocalyptic number.

2871625317880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2871625317880 is an abundant number, since it is smaller than the sum of its proper divisors (4187573709800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2871625317880 is a wasteful number, since it uses less digits than its factorization.

2871625317880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9874240 (or 9874236 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 58.

The spelling of 2871625317880 in words is "two trillion, eight hundred seventy-one billion, six hundred twenty-five million, three hundred seventeen thousand, eight hundred eighty".