87091203 has 4 divisors (see below), whose sum is σ = 116121608. Its totient is φ = 58060800.

The previous prime is 87091201. The next prime is 87091253. The reversal of 87091203 is 30219078.

It is a happy number.

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

It is not a de Polignac number, because 87091203 - 2¹ = 87091201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87091201) 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, 14515198 + ... + 14515203.

It is an arithmetic number, because the mean of its divisors is an integer number (29030402).

Almost surely, 2^87091203 is an apocalyptic number.

87091203 is a deficient number, since it is larger than the sum of its proper divisors (29030405).

87091203 is a wasteful number, since it uses less digits than its factorization.

87091203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29030404.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 87091203 is about 9332.2667664400. The cubic root of 87091203 is about 443.2595451971.

The spelling of 87091203 in words is "eighty-seven million, ninety-one thousand, two hundred three".