87617599 has 8 divisors (see below), whose sum is σ = 88488320. Its totient is φ = 86751000.

The previous prime is 87617597. The next prime is 87617611. The reversal of 87617599 is 99571678.

It is a happy number.

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 87617599 - 2¹ = 87617597 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 (87617597) 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, 56464 + ... + 57994.

It is an arithmetic number, because the mean of its divisors is an integer number (11061040).

Almost surely, 2^87617599 is an apocalyptic number.

87617599 is a deficient number, since it is larger than the sum of its proper divisors (870721).

87617599 is a wasteful number, since it uses less digits than its factorization.

87617599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061.

The product of its digits is 952560, while the sum is 52.

The square root of 87617599 is about 9360.4272872556. The cubic root of 87617599 is about 444.1508006415.

The spelling of 87617599 in words is "eighty-seven million, six hundred seventeen thousand, five hundred ninety-nine".