871088642020246 has 16 divisors (see below), whose sum is σ = 1424096723380464. Its totient is φ = 397197045294624.

The previous prime is 871088642020241. The next prime is 871088642020271. The reversal of 871088642020246 is 642020246880178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871088642020241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201827764761 + ... + 201827769076.

It is an arithmetic number, because the mean of its divisors is an integer number (89006045211279).

Almost surely, 2^{871088642020246} is an apocalyptic number.

871088642020246 is a deficient number, since it is larger than the sum of its proper divisors (553008081360218).

871088642020246 is a wasteful number, since it uses less digits than its factorization.

871088642020246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403655533935.

The product of its (nonzero) digits is 16515072, while the sum is 58.

The spelling of 871088642020246 in words is "eight hundred seventy-one trillion, eighty-eight billion, six hundred forty-two million, twenty thousand, two hundred forty-six".