87875574 has 36 divisors (see below), whose sum is σ = 181977876. Its totient is φ = 28289184.

The previous prime is 87875573. The next prime is 87875591. The reversal of 87875574 is 47557878.

It is a super-3 number, since 3×87875574³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87875573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 987322 + ... + 987410.

It is an arithmetic number, because the mean of its divisors is an integer number (5054941).

Almost surely, 2^87875574 is an apocalyptic number.

87875574 is an abundant number, since it is smaller than the sum of its proper divisors (94102302).

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

87875574 is an equidigital number, since it uses as much as digits as its factorization.

87875574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 137 counting only the distinct ones).

The product of its digits is 2195200, while the sum is 51.

The square root of 87875574 is about 9374.1972456312. The cubic root of 87875574 is about 444.5862821511.

The spelling of 87875574 in words is "eighty-seven million, eight hundred seventy-five thousand, five hundred seventy-four".