87031214 has 4 divisors (see below), whose sum is σ = 130546824. Its totient is φ = 43515606.

The previous prime is 87031199. The next prime is 87031271. The reversal of 87031214 is 41213078.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21757802 + ... + 21757805.

It is an arithmetic number, because the mean of its divisors is an integer number (32636706).

Almost surely, 2^87031214 is an apocalyptic number.

87031214 is a deficient number, since it is larger than the sum of its proper divisors (43515610).

87031214 is a wasteful number, since it uses less digits than its factorization.

87031214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43515609.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 87031214 is about 9329.0521490664. The cubic root of 87031214 is about 443.1577484462.

The spelling of 87031214 in words is "eighty-seven million, thirty-one thousand, two hundred fourteen".