87701217 has 16 divisors (see below), whose sum is σ = 118110720. Its totient is φ = 57883392.

The previous prime is 87701189. The next prime is 87701233. The reversal of 87701217 is 71210778.

It is not a de Polignac number, because 87701217 - 2¹² = 87697121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87701267) 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, 225259 + ... + 225647.

It is an arithmetic number, because the mean of its divisors is an integer number (7381920).

Almost surely, 2^87701217 is an apocalyptic number.

It is an amenable number.

87701217 is a deficient number, since it is larger than the sum of its proper divisors (30409503).

87701217 is a wasteful number, since it uses less digits than its factorization.

87701217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952.

The product of its (nonzero) digits is 5488, while the sum is 33.

The square root of 87701217 is about 9364.8927916982. The cubic root of 87701217 is about 444.2920477341.

The spelling of 87701217 in words is "eighty-seven million, seven hundred one thousand, two hundred seventeen".