87369361 has 4 divisors (see below), whose sum is σ = 87493300. Its totient is φ = 87245424.

The previous prime is 87369323. The next prime is 87369367. The reversal of 87369361 is 16396378.

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

It can be written as a sum of positive squares in 2 ways, for example, as 53217025 + 34152336 = 7295^2 + 5844^2 .

It is a cyclic number.

It is not a de Polignac number, because 87369361 - 2⁹ = 87368849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87369367) 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, 60906 + ... + 62323.

It is an arithmetic number, because the mean of its divisors is an integer number (21873325).

Almost surely, 2^87369361 is an apocalyptic number.

It is an amenable number.

87369361 is a deficient number, since it is larger than the sum of its proper divisors (123939).

87369361 is a wasteful number, since it uses less digits than its factorization.

87369361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123938.

The product of its digits is 163296, while the sum is 43.

The square root of 87369361 is about 9347.1579102955. The cubic root of 87369361 is about 443.7309481736.

The spelling of 87369361 in words is "eighty-seven million, three hundred sixty-nine thousand, three hundred sixty-one".