87031417 has 12 divisors (see below), whose sum is σ = 95851728. Its totient is φ = 78369000.

The previous prime is 87031369. The next prime is 87031423. The reversal of 87031417 is 71413078.

It is not a de Polignac number, because 87031417 - 2¹⁵ = 86998649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87031447) 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 11 ways as a sum of consecutive naturals, for example, 250638 + ... + 250984.

It is an arithmetic number, because the mean of its divisors is an integer number (7987644).

Almost surely, 2^87031417 is an apocalyptic number.

It is an amenable number.

87031417 is a deficient number, since it is larger than the sum of its proper divisors (8820311).

87031417 is a wasteful number, since it uses less digits than its factorization.

87031417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 87031417 is about 9329.0630290507. The cubic root of 87031417 is about 443.1580930006.

The spelling of 87031417 in words is "eighty-seven million, thirty-one thousand, four hundred seventeen".