87062520 has 64 divisors (see below), whose sum is σ = 261918720. Its totient is φ = 23151744.

The previous prime is 87062519. The next prime is 87062527. The reversal of 87062520 is 2526078.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87062527) 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, 54777 + ... + 56343.

It is an arithmetic number, because the mean of its divisors is an integer number (4092480).

Almost surely, 2^87062520 is an apocalyptic number.

It is an amenable number.

87062520 is an abundant number, since it is smaller than the sum of its proper divisors (174856200).

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

87062520 is a wasteful number, since it uses less digits than its factorization.

87062520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 87062520 is about 9330.7298749883. The cubic root of 87062520 is about 443.2108781710.

Adding to 87062520 its reverse (2526078), we get a palindrome (89588598).

The spelling of 87062520 in words is "eighty-seven million, sixty-two thousand, five hundred twenty".