87115237 has 16 divisors (see below), whose sum is σ = 100159488. Its totient is φ = 74994480.

The previous prime is 87115219. The next prime is 87115243. The reversal of 87115237 is 73251178.

It is not a de Polignac number, because 87115237 - 2¹¹ = 87113189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87115267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24388 + ... + 27730.

It is an arithmetic number, because the mean of its divisors is an integer number (6259968).

Almost surely, 2^87115237 is an apocalyptic number.

It is an amenable number.

87115237 is a deficient number, since it is larger than the sum of its proper divisors (13044251).

87115237 is a wasteful number, since it uses less digits than its factorization.

87115237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480.

The product of its digits is 11760, while the sum is 34.

The square root of 87115237 is about 9333.5543604781. The cubic root of 87115237 is about 443.3003159436.

The spelling of 87115237 in words is "eighty-seven million, one hundred fifteen thousand, two hundred thirty-seven".