87552078 has 16 divisors (see below), whose sum is σ = 178408656. Its totient is φ = 28633280.

The previous prime is 87552077. The next prime is 87552089. The reversal of 87552078 is 87025578.

It is a happy 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 (87552071) 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, 137343 + ... + 137978.

It is an arithmetic number, because the mean of its divisors is an integer number (11150541).

Almost surely, 2^87552078 is an apocalyptic number.

87552078 is an abundant number, since it is smaller than the sum of its proper divisors (90856578).

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

87552078 is a wasteful number, since it uses less digits than its factorization.

87552078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275379.

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 87552078 is about 9356.9267390527. The cubic root of 87552078 is about 444.0400600978.

The spelling of 87552078 in words is "eighty-seven million, five hundred fifty-two thousand, seventy-eight".