87215363 has 4 divisors (see below), whose sum is σ = 88410168. Its totient is φ = 86020560.

The previous prime is 87215351. The next prime is 87215371. The reversal of 87215363 is 36351278.

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 87215363 - 2⁴ = 87215347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87211363) 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, 597293 + ... + 597438.

It is an arithmetic number, because the mean of its divisors is an integer number (22102542).

Almost surely, 2^87215363 is an apocalyptic number.

87215363 is a deficient number, since it is larger than the sum of its proper divisors (1194805).

87215363 is a wasteful number, since it uses less digits than its factorization.

87215363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194804.

The product of its digits is 30240, while the sum is 35.

The square root of 87215363 is about 9338.9165859858. The cubic root of 87215363 is about 443.4700868311.

It can be divided in two parts, 87215 and 363, that added together give a palindrome (87578).

The spelling of 87215363 in words is "eighty-seven million, two hundred fifteen thousand, three hundred sixty-three".