87017950 has 12 divisors (see below), whose sum is σ = 161853480. Its totient is φ = 34807160.

The previous prime is 87017933. The next prime is 87017963. The reversal of 87017950 is 5971078.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 870130 + ... + 870229.

It is an arithmetic number, because the mean of its divisors is an integer number (13487790).

Almost surely, 2^87017950 is an apocalyptic number.

87017950 is a deficient number, since it is larger than the sum of its proper divisors (74835530).

87017950 is a wasteful number, since it uses less digits than its factorization.

87017950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740371 (or 1740366 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 37.

The square root of 87017950 is about 9328.3412244621. The cubic root of 87017950 is about 443.1352341369.

The spelling of 87017950 in words is "eighty-seven million, seventeen thousand, nine hundred fifty".