87520010 has 16 divisors (see below), whose sum is σ = 160207200. Its totient is φ = 34414416.

The previous prime is 87520009. The next prime is 87520021. The reversal of 87520010 is 1002578.

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, 73580 + ... + 74759.

It is an arithmetic number, because the mean of its divisors is an integer number (10012950).

Almost surely, 2^87520010 is an apocalyptic number.

87520010 is a deficient number, since it is larger than the sum of its proper divisors (72687190).

87520010 is a wasteful number, since it uses less digits than its factorization.

87520010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148405.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 87520010 is about 9355.2129852826. The cubic root of 87520010 is about 443.9858401187.

Adding to 87520010 its reverse (1002578), we get a palindrome (88522588).

The spelling of 87520010 in words is "eighty-seven million, five hundred twenty thousand, ten".