871264988 has 24 divisors (see below), whose sum is σ = 1750869120. Its totient is φ = 375185520.

The previous prime is 871264987. The next prime is 871265029. The reversal of 871264988 is 889462178.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871264981) 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 7 ways as a sum of consecutive naturals, for example, 520256 + ... + 521927.

It is an arithmetic number, because the mean of its divisors is an integer number (72952880).

Almost surely, 2^871264988 is an apocalyptic number.

It is an amenable number.

871264988 is an abundant number, since it is smaller than the sum of its proper divisors (879604132).

871264988 is a wasteful number, since it uses less digits than its factorization.

871264988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042217 (or 1042215 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 53.

The square root of 871264988 is about 29517.1981732684. The cubic root of 871264988 is about 955.1027321115.

The spelling of 871264988 in words is "eight hundred seventy-one million, two hundred sixty-four thousand, nine hundred eighty-eight".