87083089 has 4 divisors (see below), whose sum is σ = 89436724. Its totient is φ = 84729456.

The previous prime is 87083071. The next prime is 87083107. The reversal of 87083089 is 98038078.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (87083071) and next prime (87083107).

It can be written as a sum of positive squares in 2 ways, for example, as 84327489 + 2755600 = 9183^2 + 1660^2 .

It is a cyclic number.

It is not a de Polignac number, because 87083089 - 2²¹ = 84985937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87083039) 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, 1176762 + ... + 1176835.

It is an arithmetic number, because the mean of its divisors is an integer number (22359181).

Almost surely, 2^87083089 is an apocalyptic number.

It is an amenable number.

87083089 is a deficient number, since it is larger than the sum of its proper divisors (2353635).

87083089 is a wasteful number, since it uses less digits than its factorization.

87083089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353634.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 87083089 is about 9331.8320280639. The cubic root of 87083089 is about 443.2457790932.

The spelling of 87083089 in words is "eighty-seven million, eighty-three thousand, eighty-nine".