87361361 has 4 divisors (see below), whose sum is σ = 87990000. Its totient is φ = 86732724.

The previous prime is 87361349. The next prime is 87361387. The reversal of 87361361 is 16316378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87361361 - 2¹⁴ = 87344977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87361321) 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, 314111 + ... + 314388.

It is an arithmetic number, because the mean of its divisors is an integer number (21997500).

Almost surely, 2^87361361 is an apocalyptic number.

It is an amenable number.

87361361 is a deficient number, since it is larger than the sum of its proper divisors (628639).

87361361 is a wasteful number, since it uses less digits than its factorization.

87361361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628638.

The product of its digits is 18144, while the sum is 35.

The square root of 87361361 is about 9346.7299629336. The cubic root of 87361361 is about 443.7174043108.

The spelling of 87361361 in words is "eighty-seven million, three hundred sixty-one thousand, three hundred sixty-one".