87417071 has 16 divisors (see below), whose sum is σ = 101326848. Its totient is φ = 73872000.

The previous prime is 87417067. The next prime is 87417091. The reversal of 87417071 is 17071478.

It is a cyclic number.

It is not a de Polignac number, because 87417071 - 2² = 87417067 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87417041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201671 + ... + 202103.

It is an arithmetic number, because the mean of its divisors is an integer number (6332928).

Almost surely, 2^87417071 is an apocalyptic number.

87417071 is a deficient number, since it is larger than the sum of its proper divisors (13909777).

87417071 is a wasteful number, since it uses less digits than its factorization.

87417071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782.

The product of its (nonzero) digits is 10976, while the sum is 35.

The square root of 87417071 is about 9349.7096746370. The cubic root of 87417071 is about 443.8117032230.

The spelling of 87417071 in words is "eighty-seven million, four hundred seventeen thousand, seventy-one".