87415071 has 16 divisors (see below), whose sum is σ = 127392768. Its totient is φ = 53078400.

The previous prime is 87415063. The next prime is 87415099. The reversal of 87415071 is 17051478.

It is not a de Polignac number, because 87415071 - 2³ = 87415063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87415051) 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, 26065 + ... + 29226.

It is an arithmetic number, because the mean of its divisors is an integer number (7962048).

Almost surely, 2^87415071 is an apocalyptic number.

87415071 is a deficient number, since it is larger than the sum of its proper divisors (39977697).

87415071 is a wasteful number, since it uses less digits than its factorization.

87415071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55342.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 87415071 is about 9349.6027188325. The cubic root of 87415071 is about 443.8083185669.

The spelling of 87415071 in words is "eighty-seven million, four hundred fifteen thousand, seventy-one".