87663369 has 8 divisors (see below), whose sum is σ = 119602912. Its totient is φ = 57083040.

The previous prime is 87663361. The next prime is 87663379. The reversal of 87663369 is 96336678.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87663369 - 2³ = 87663361 is a prime.

It is a super-2 number, since 2×87663369² = 15369732528860322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87663361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339652 + ... + 339909.

It is an arithmetic number, because the mean of its divisors is an integer number (14950364).

Almost surely, 2^87663369 is an apocalyptic number.

It is an amenable number.

87663369 is a deficient number, since it is larger than the sum of its proper divisors (31939543).

87663369 is a wasteful number, since it uses less digits than its factorization.

87663369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679607.

The product of its digits is 979776, while the sum is 48.

The square root of 87663369 is about 9362.8718350728. The cubic root of 87663369 is about 444.2281262153.

The spelling of 87663369 in words is "eighty-seven million, six hundred sixty-three thousand, three hundred sixty-nine".