87863207 has 8 divisors (see below), whose sum is σ = 90993792. Its totient is φ = 84751200.

The previous prime is 87863189. The next prime is 87863221. The reversal of 87863207 is 70236878.

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

It is a cyclic number.

It is not a de Polignac number, because 87863207 - 2¹⁰ = 87862183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87863267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5357 + ... + 14297.

It is an arithmetic number, because the mean of its divisors is an integer number (11374224).

Almost surely, 2^87863207 is an apocalyptic number.

87863207 is a deficient number, since it is larger than the sum of its proper divisors (3130585).

87863207 is a wasteful number, since it uses less digits than its factorization.

87863207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9289.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 87863207 is about 9373.5375926061. The cubic root of 87863207 is about 444.5654251741.

The spelling of 87863207 in words is "eighty-seven million, eight hundred sixty-three thousand, two hundred seven".