87512270 has 16 divisors (see below), whose sum is σ = 157705488. Its totient is φ = 34964160.

The previous prime is 87512231. The next prime is 87512273. The reversal of 87512270 is 7221578.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87512273) 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, 4850 + ... + 14090.

It is an arithmetic number, because the mean of its divisors is an integer number (9856593).

Almost surely, 2^87512270 is an apocalyptic number.

87512270 is a deficient number, since it is larger than the sum of its proper divisors (70193218).

87512270 is a wasteful number, since it uses less digits than its factorization.

87512270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10195.

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

The square root of 87512270 is about 9354.7993030316. The cubic root of 87512270 is about 443.9727514863.

The spelling of 87512270 in words is "eighty-seven million, five hundred twelve thousand, two hundred seventy".