87530375 has 16 divisors (see below), whose sum is σ = 110379360. Its totient is φ = 69292800.

The previous prime is 87530371. The next prime is 87530423. The reversal of 87530375 is 57303578.

It is a happy number.

It is not a de Polignac number, because 87530375 - 2² = 87530371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87530371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8516 + ... + 15734.

It is an arithmetic number, because the mean of its divisors is an integer number (6898710).

Almost surely, 2^87530375 is an apocalyptic number.

87530375 is a deficient number, since it is larger than the sum of its proper divisors (22848985).

87530375 is an equidigital number, since it uses as much as digits as its factorization.

87530375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7331 (or 7321 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 87530375 is about 9355.7669380976. The cubic root of 87530375 is about 444.0033665167.

The spelling of 87530375 in words is "eighty-seven million, five hundred thirty thousand, three hundred seventy-five".