87857959 has 8 divisors (see below), whose sum is σ = 100466208. Its totient is φ = 75264000.

The previous prime is 87857951. The next prime is 87857977. The reversal of 87857959 is 95975878.

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

It is not a de Polignac number, because 87857959 - 2³ = 87857951 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 (87857951) 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, 19959 + ... + 23959.

It is an arithmetic number, because the mean of its divisors is an integer number (12558276).

Almost surely, 2^87857959 is an apocalyptic number.

87857959 is a deficient number, since it is larger than the sum of its proper divisors (12608249).

87857959 is a wasteful number, since it uses less digits than its factorization.

87857959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7145.

The product of its digits is 6350400, while the sum is 58.

The square root of 87857959 is about 9373.2576514251. The cubic root of 87857959 is about 444.5565738172.

The spelling of 87857959 in words is "eighty-seven million, eight hundred fifty-seven thousand, nine hundred fifty-nine".