87289599 has 8 divisors (see below), whose sum is σ = 116505520. Its totient is φ = 58133376.

The previous prime is 87289567. The next prime is 87289619. The reversal of 87289599 is 99598278.

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

It is not a de Polignac number, because 87289599 - 2⁵ = 87289567 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 (87289519) 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, 11392 + ... + 17445.

It is an arithmetic number, because the mean of its divisors is an integer number (14563190).

Almost surely, 2^87289599 is an apocalyptic number.

87289599 is a deficient number, since it is larger than the sum of its proper divisors (29215921).

87289599 is a wasteful number, since it uses less digits than its factorization.

87289599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29849.

The product of its digits is 3265920, while the sum is 57.

The square root of 87289599 is about 9342.8902915533. The cubic root of 87289599 is about 443.5958754840.

The spelling of 87289599 in words is "eighty-seven million, two hundred eighty-nine thousand, five hundred ninety-nine".