875087540 has 24 divisors (see below), whose sum is σ = 1838376960. Its totient is φ = 349903008.

The previous prime is 875087519. The next prime is 875087599. The reversal of 875087540 is 45780578.

It is a junction number, because it is equal to n+sod(n) for n = 875087491 and 875087500.

It is a congruent number.

It is an unprimeable number.

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, 59789 + ... + 72971.

It is an arithmetic number, because the mean of its divisors is an integer number (76599040).

Almost surely, 2^875087540 is an apocalyptic number.

It is an amenable number.

875087540 is an abundant number, since it is smaller than the sum of its proper divisors (963289420).

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

875087540 is a wasteful number, since it uses less digits than its factorization.

875087540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16511 (or 16509 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 875087540 is about 29581.8785745598. The cubic root of 875087540 is about 956.4974870836.

The spelling of 875087540 in words is "eight hundred seventy-five million, eighty-seven thousand, five hundred forty".