87752120 has 16 divisors (see below), whose sum is σ = 197442360. Its totient is φ = 35100832.

The previous prime is 87752101. The next prime is 87752129. The reversal of 87752120 is 2125778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87752129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096862 + ... + 1096941.

Almost surely, 2^87752120 is an apocalyptic number.

It is an amenable number.

87752120 is an abundant number, since it is smaller than the sum of its proper divisors (109690240).

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

87752120 is a wasteful number, since it uses less digits than its factorization.

87752120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193814 (or 2193810 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 87752120 is about 9367.6101541428. The cubic root of 87752120 is about 444.3779888600.

Adding to 87752120 its reverse (2125778), we get a palindrome (89877898).

The spelling of 87752120 in words is "eighty-seven million, seven hundred fifty-two thousand, one hundred twenty".