87580120 has 32 divisors (see below), whose sum is σ = 207428400. Its totient is φ = 33187968.

The previous prime is 87580117. The next prime is 87580169. The reversal of 87580120 is 2108578.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56859 + ... + 58378.

Almost surely, 2^87580120 is an apocalyptic number.

It is an amenable number.

87580120 is an abundant number, since it is smaller than the sum of its proper divisors (119848280).

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

87580120 is a wasteful number, since it uses less digits than its factorization.

87580120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115267 (or 115263 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 87580120 is about 9358.4250811769. The cubic root of 87580120 is about 444.0874621412.

Adding to 87580120 its reverse (2108578), we get a palindrome (89688698).

The spelling of 87580120 in words is "eighty-seven million, five hundred eighty thousand, one hundred twenty".