87141237 has 8 divisors (see below), whose sum is σ = 116791104. Its totient is φ = 57792768.

The previous prime is 87141233. The next prime is 87141251. The reversal of 87141237 is 73214178.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87141237 - 2² = 87141233 is a prime.

It is a super-3 number, since 3×87141237³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87141198 and 87141207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87141233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74673 + ... + 75830.

It is an arithmetic number, because the mean of its divisors is an integer number (14598888).

Almost surely, 2^87141237 is an apocalyptic number.

It is an amenable number.

87141237 is a deficient number, since it is larger than the sum of its proper divisors (29649867).

87141237 is a wasteful number, since it uses less digits than its factorization.

87141237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150699.

The product of its digits is 9408, while the sum is 33.

The square root of 87141237 is about 9334.9470807284. The cubic root of 87141237 is about 443.3444133260.

It can be divided in two parts, 87141 and 237, that added together give a palindrome (87378).

The spelling of 87141237 in words is "eighty-seven million, one hundred forty-one thousand, two hundred thirty-seven".