87543375 has 32 divisors (see below), whose sum is σ = 148801536. Its totient is φ = 45687200.

The previous prime is 87543371. The next prime is 87543383. The reversal of 87543375 is 57334578.

It is not a de Polignac number, because 87543375 - 2² = 87543371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87543371) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 15142 + ... + 20108.

It is an arithmetic number, because the mean of its divisors is an integer number (4650048).

Almost surely, 2^87543375 is an apocalyptic number.

87543375 is a deficient number, since it is larger than the sum of its proper divisors (61258161).

87543375 is a wasteful number, since it uses less digits than its factorization.

87543375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032 (or 5022 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 87543375 is about 9356.4616709523. The cubic root of 87543375 is about 444.0253465361.

The spelling of 87543375 in words is "eighty-seven million, five hundred forty-three thousand, three hundred seventy-five".