87263203 has 4 divisors (see below), whose sum is σ = 87487920. Its totient is φ = 87038488.

The previous prime is 87263201. The next prime is 87263263. The reversal of 87263203 is 30236278.

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 87263203 - 2¹ = 87263201 is a prime.

It is a super-2 number, since 2×87263203² = 15229733195638418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87263201) 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, 111775 + ... + 112552.

It is an arithmetic number, because the mean of its divisors is an integer number (21871980).

Almost surely, 2^87263203 is an apocalyptic number.

87263203 is a deficient number, since it is larger than the sum of its proper divisors (224717).

87263203 is a wasteful number, since it uses less digits than its factorization.

87263203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224716.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 87263203 is about 9341.4775597868. The cubic root of 87263203 is about 443.5511571467.

The spelling of 87263203 in words is "eighty-seven million, two hundred sixty-three thousand, two hundred three".