871102491 has 32 divisors (see below), whose sum is σ = 1429332480. Its totient is φ = 460540416.

The previous prime is 871102459. The next prime is 871102537. The reversal of 871102491 is 194201178.

It is not a de Polignac number, because 871102491 - 2⁵ = 871102459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (871102591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385 + ... + 41741.

It is an arithmetic number, because the mean of its divisors is an integer number (44666640).

Almost surely, 2^871102491 is an apocalyptic number.

871102491 is a deficient number, since it is larger than the sum of its proper divisors (558229989).

871102491 is a wasteful number, since it uses less digits than its factorization.

871102491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41443.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 871102491 is about 29514.4454631965. The cubic root of 871102491 is about 955.0433506449.

The spelling of 871102491 in words is "eight hundred seventy-one million, one hundred two thousand, four hundred ninety-one".