887431140 has 72 divisors (see below), whose sum is σ = 2791588800. Its totient is φ = 236647008.

The previous prime is 887431133. The next prime is 887431151. The reversal of 887431140 is 41134788.

887431140 is a `hidden beast` number, since 8 + 87 + 431 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 887431095 and 887431104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86440 + ... + 96159.

Almost surely, 2^887431140 is an apocalyptic number.

It is an amenable number.

887431140 is an abundant number, since it is smaller than the sum of its proper divisors (1904157660).

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

887431140 is a wasteful number, since it uses less digits than its factorization.

887431140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182623 (or 182609 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 887431140 is about 29789.7824765472. The cubic root of 887431140 is about 960.9738165216.

The spelling of 887431140 in words is "eight hundred eighty-seven million, four hundred thirty-one thousand, one hundred forty".