87046317 has 6 divisors (see below), whose sum is σ = 125733582. Its totient is φ = 58030872.

The previous prime is 87046291. The next prime is 87046327. The reversal of 87046317 is 71364078.

It can be written as a sum of positive squares in only one way, i.e., 84989961 + 2056356 = 9219^2 + 1434^2 .

It is not a de Polignac number, because 87046317 - 2¹⁴ = 87029933 is a prime.

It is a super-2 number, since 2×87046317² = 15154122606528978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87046327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4835898 + ... + 4835915.

It is an arithmetic number, because the mean of its divisors is an integer number (20955597).

Almost surely, 2^87046317 is an apocalyptic number.

It is an amenable number.

87046317 is a deficient number, since it is larger than the sum of its proper divisors (38687265).

87046317 is a wasteful number, since it uses less digits than its factorization.

87046317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671819 (or 9671816 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 87046317 is about 9329.8615745358. The cubic root of 87046317 is about 443.1833814885.

The spelling of 87046317 in words is "eighty-seven million, forty-six thousand, three hundred seventeen".