87857358 has 32 divisors (see below), whose sum is σ = 180177696. Its totient is φ = 28549248.

The previous prime is 87857353. The next prime is 87857359. The reversal of 87857358 is 85375878.

It is a self number, because there is not a number n which added to its sum of digits gives 87857358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87857353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54216 + ... + 55812.

It is an arithmetic number, because the mean of its divisors is an integer number (5630553).

Almost surely, 2^87857358 is an apocalyptic number.

87857358 is an abundant number, since it is smaller than the sum of its proper divisors (92320338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87857358 is a wasteful number, since it uses less digits than its factorization.

87857358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828.

The product of its digits is 1881600, while the sum is 51.

The square root of 87857358 is about 9373.2255920787. The cubic root of 87857358 is about 444.5555601389. Note that the first 4 decimals are identical.

The spelling of 87857358 in words is "eighty-seven million, eight hundred fifty-seven thousand, three hundred fifty-eight".