87550878 has 8 divisors (see below), whose sum is σ = 175101768. Its totient is φ = 29183624.

The previous prime is 87550877. The next prime is 87550891. The reversal of 87550878 is 87805578.

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

87550878 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87550873) 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, 7295901 + ... + 7295912.

It is an arithmetic number, because the mean of its divisors is an integer number (21887721).

Almost surely, 2^87550878 is an apocalyptic number.

87550878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87550878 is a wasteful number, since it uses less digits than its factorization.

87550878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14591818.

The product of its (nonzero) digits is 627200, while the sum is 48.

The square root of 87550878 is about 9356.8626152146. The cubic root of 87550878 is about 444.0380313986.

The spelling of 87550878 in words is "eighty-seven million, five hundred fifty thousand, eight hundred seventy-eight".