87585347 has 4 divisors (see below), whose sum is σ = 87741480. Its totient is φ = 87429216.

The previous prime is 87585331. The next prime is 87585349. The reversal of 87585347 is 74358578.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87585347 - 2⁴ = 87585331 is a prime.

It is a super-2 number, since 2×87585347² = 15342386018220818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87585349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77222 + ... + 78347.

It is an arithmetic number, because the mean of its divisors is an integer number (21935370).

Almost surely, 2^87585347 is an apocalyptic number.

87585347 is a deficient number, since it is larger than the sum of its proper divisors (156133).

87585347 is a wasteful number, since it uses less digits than its factorization.

87585347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156132.

The product of its digits is 940800, while the sum is 47.

The square root of 87585347 is about 9358.7043440852. The cubic root of 87585347 is about 444.0962967146.

The spelling of 87585347 in words is "eighty-seven million, five hundred eighty-five thousand, three hundred forty-seven".