875987440 has 40 divisors (see below), whose sum is σ = 2037927600. Its totient is φ = 350178816.

The previous prime is 875987423. The next prime is 875987447. The reversal of 875987440 is 44789578.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875987447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213892 + ... + 217948.

It is an arithmetic number, because the mean of its divisors is an integer number (50948190).

Almost surely, 2^875987440 is an apocalyptic number.

875987440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

875987440 is an abundant number, since it is smaller than the sum of its proper divisors (1161940160).

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

875987440 is a wasteful number, since it uses less digits than its factorization.

875987440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6769 (or 6763 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 52.

The square root of 875987440 is about 29597.0849916001. The cubic root of 875987440 is about 956.8252475133.

The spelling of 875987440 in words is "eight hundred seventy-five million, nine hundred eighty-seven thousand, four hundred forty".