981848871 has 20 divisors (see below), whose sum is σ = 1475211672. Its totient is φ = 650773008.

The previous prime is 981848869. The next prime is 981848873. The reversal of 981848871 is 178848189.

It is a happy number.

981848871 is a `hidden beast` number, since 98 + 1 + 8 + 488 + 71 = 666.

It is an interprime number because it is at equal distance from previous prime (981848869) and next prime (981848873).

It is not a de Polignac number, because 981848871 - 2¹ = 981848869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981848873) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21021 + ... + 49046.

Almost surely, 2^981848871 is an apocalyptic number.

981848871 is a deficient number, since it is larger than the sum of its proper divisors (493362801).

981848871 is a wasteful number, since it uses less digits than its factorization.

981848871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70252 (or 70243 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 54.

The square root of 981848871 is about 31334.4677791087. The cubic root of 981848871 is about 993.9126429416.

The spelling of 981848871 in words is "nine hundred eighty-one million, eight hundred forty-eight thousand, eight hundred seventy-one".